diff --git a/biomes.lua b/biomes.lua
index d1901ae..372cffc 100644
--- a/biomes.lua
+++ b/biomes.lua
@@ -61,55 +61,52 @@ subterrane:register_cave_decor(-113, dfcaverns.config.ymax)
 subterrane:register_cave_layer({
 	minimum_depth = dfcaverns.config.ymax,
 	maximum_depth = dfcaverns.config.level1_min,
+	cave_threshold = 0.3,
 })
 
 subterrane:register_cave_layer({
 	minimum_depth = dfcaverns.config.level1_min,
 	maximum_depth = dfcaverns.config.level2_min,
+	cave_threshold = 0.3,
 })
 
 subterrane:register_cave_layer({
 	minimum_depth = dfcaverns.config.level2_min,
 	maximum_depth = dfcaverns.config.level3_min,
+	cave_threshold = 0.3,
 })
 
 subterrane:register_cave_layer({
 	minimum_depth = dfcaverns.config.level3_min,
 	maximum_depth = dfcaverns.config.lava_sea_min,
+	cave_threshold = 0.3,
 })
 
 subterrane:register_cave_layer({
 	minimum_depth = dfcaverns.config.lava_sea_min,
 	maximum_depth = dfcaverns.config.ymin,
+	cave_threshold = 0.3,
 })
 
 dfcaverns.can_support_vegetation = {[c_sand] = true, [c_dirt] = true, [c_coal_ore] = true, [c_gravel] = true}
 
-dfcaverns.place_shrub = function(data, vi, param2_data)
-	local shrub = math.random(1,8)
-	if shrub == 1 then
-		data[vi] = c_sweet_pod
-		param2_data[vi] = 0
-	elseif shrub == 2 then
+dfcaverns.place_shrub = function(data, vi, param2_data, shrub_list)
+	local shrub = shrub_list[math.random(#shrub_list)]
+	
+	if shrub == c_quarry_bush then
 		data[vi] = c_quarry_bush
 		param2_data[vi] = 4
-	elseif shrub == 3 then
+	elseif shrub == c_plump_helmet then
 		data[vi] = c_plump_helmet
 		param2_data[vi] = math.random(0,3)
-	elseif shrub == 4 then
+	elseif shrub == c_pig_tail then
 		data[vi] = c_pig_tail
 		param2_data[vi] = 3
-	elseif shrub == 5 then
-		data[vi] = c_dimple_cup
-		param2_data[vi] = 0
-	elseif shrub == 6 then
+	elseif shrub == c_cave_wheat then
 		data[vi] = c_cave_wheat
 		param2_data[vi] = 3
-	elseif shrub == 7 then
-		data[vi] = c_dead_fungus
+	else
+		data[vi] = shrub
 		param2_data[vi] = 0
-	elseif shrub == 8 then
-		data[vi] = c_cavern_fungi
-		param2_data[vi] = 0
-	end	
+	end
 end
\ No newline at end of file
diff --git a/biomes/level1.lua b/biomes/level1.lua
index 7bedd97..0065735 100644
--- a/biomes/level1.lua
+++ b/biomes/level1.lua
@@ -2,18 +2,26 @@ local c_water = minetest.get_content_id("default:water_source")
 local c_air = minetest.get_content_id("air")
 local c_stone = minetest.get_content_id("default:stone")
 local c_cobble = minetest.get_content_id("default:cobble")
+local c_mossycobble = minetest.get_content_id("default:mossycobble")
 local c_dirt = minetest.get_content_id("default:dirt")
 
 local c_dirt_moss = minetest.get_content_id("dfcaverns:dirt_with_cave_moss")
 local c_cobble_fungus = minetest.get_content_id("dfcaverns:cobble_with_floor_fungus")
-local c_dead_fungus = minetest.get_content_id("dfcaverns:dead_fungus") -- param2 = 0
-local c_cavern_fungi = minetest.get_content_id("dfcaverns:cavern_fungi") -- param2 = 0
 
 local c_wet_flowstone = minetest.get_content_id("subterrane:wet_flowstone")
 local c_dry_flowstone = minetest.get_content_id("subterrane:dry_flowstone")
 
 local subsea_level = (dfcaverns.config.level1_min - dfcaverns.config.ymax) * 0.3 + dfcaverns.config.level1_min
 
+local c_sweet_pod = minetest.get_content_id("dfcaverns:sweet_pod_6") -- param2 = 0
+local c_quarry_bush = minetest.get_content_id("dfcaverns:quarry_bush_5") -- param2 = 4
+local c_plump_helmet = minetest.get_content_id("dfcaverns:plump_helmet_4") -- param2 = 0-3
+local c_pig_tail = minetest.get_content_id("dfcaverns:pig_tail_8") -- param2 = 3
+local c_dimple_cup = minetest.get_content_id("dfcaverns:dimple_cup_4") -- param2 = 0
+local c_cave_wheat = minetest.get_content_id("dfcaverns:cave_wheat_8") -- param2 = 3
+local c_dead_fungus = minetest.get_content_id("dfcaverns:dead_fungus") -- param2 = 0
+local c_cavern_fungi = minetest.get_content_id("dfcaverns:cavern_fungi") -- param2 = 0
+
 local level_1_tower_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	if data[bi] ~= c_stone then
 		return
@@ -27,7 +35,7 @@ local level_1_tower_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_plump_helmet, c_pig_tail, c_dead_fungus, c_cavern_fungi})
 	elseif drip_rand < 0.0025 then
 		
 	elseif drip_rand < 0.1 then
@@ -39,6 +47,32 @@ local level_1_tower_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	end
 end
 
+local level_1_fungiwood_floor = function(area, data, ai, vi, bi, param2_data)
+	if data[bi] ~= c_stone then
+		return
+	end
+	
+	if math.random() < 0.25 then
+		data[bi] = c_dirt
+	else
+		data[bi] = c_dirt_moss
+	end
+	
+	local drip_rand = subterrane:vertically_consistent_random(vi, area)
+	
+	if math.random() < 0.1 then
+		dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_pig_tail, c_cave_wheat, c_cave_wheat, c_dead_fungus, c_cavern_fungi})
+	elseif drip_rand < 0.001 then
+		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
+	elseif drip_rand < 0.1 then
+		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
+		local height = math.floor(drip_rand/0.1 * 5)		
+		subterrane:stalagmite(vi, area, data, param2_data, param2, height, true)
+	elseif math.random() < 0.005 then
+		dfcaverns.spawn_fungiwood_vm(vi, area, data)
+	end
+end
+
 local level_1_moist_ceiling = function(area, data, ai, vi, bi, param2_data)
 	if data[ai] ~= c_stone then
 		return
@@ -55,6 +89,31 @@ local level_1_moist_ceiling = function(area, data, ai, vi, bi, param2_data)
 	end
 end
 
+local level_1_wet_floor = function(area, data, ai, vi, bi, param2_data)
+	if data[bi] ~= c_stone then
+		return
+	end
+
+	if math.random() < 0.25 then
+		data[bi] = c_mossycobble
+		if math.random() < 0.1 then
+			data[vi] = c_dead_fungus
+		elseif math.random() < 0.1 then
+			data[vi] = c_cavern_fungi
+		end
+	end	
+	
+	local drip_rand = subterrane:vertically_consistent_random(vi, area)
+
+	if drip_rand < 0.001 then
+		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
+	elseif drip_rand < 0.025 then
+		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
+		local height = math.floor(drip_rand/0.025 * 5)		
+		subterrane:stalagmite(vi, area, data, param2_data, param2, height, true)
+	end
+end
+
 local level_1_dry_floor = function(area, data, ai, vi, bi, param2_data)
 	if data[bi] ~= c_stone then
 		return
@@ -79,40 +138,6 @@ local level_1_dry_floor = function(area, data, ai, vi, bi, param2_data)
 	end
 end
 
-local level_1_wet_floor = function(area, data, ai, vi, bi, param2_data)
-	if data[bi] ~= c_stone then
-		return
-	end
-
-	if math.random() < 0.25 then
-		data[bi] = c_dirt_moss
-		if math.random() < 0.1 then
-			data[vi] = c_dead_fungus
-		elseif math.random() < 0.1 then
-			data[vi] = c_cavern_fungi
-		end
-	else
-		data[bi] = c_dirt
-	end	
-	
-	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-
-	if drip_rand < 0.001 then
-		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
-	elseif drip_rand < 0.05 then
-		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
-		local height = math.floor(drip_rand/0.05 * 5)		
-		subterrane:stalagmite(vi, area, data, param2_data, param2, height, true)
-	end
-end
-
-local level_1_underwater_floor = function(area, data, ai, vi, bi, param2_data)
-	if data[bi] ~= c_stone then
-		return
-	end
-	data[bi] = c_dirt
-end
-
 local level_1_dry_ceiling = function(area, data, ai, vi, bi, param2_data)
 	if data[ai] ~= c_stone then
 		return
@@ -127,50 +152,29 @@ local level_1_dry_ceiling = function(area, data, ai, vi, bi, param2_data)
 	end
 end
 
-
-local level_1_fungiwood_floor = function(area, data, ai, vi, bi, param2_data)
+local level_1_underwater_floor = function(area, data, ai, vi, bi, param2_data)
 	if data[bi] ~= c_stone then
 		return
 	end
-	
 	if math.random() < 0.25 then
-		data[bi] = c_dirt
+		data[bi] = c_mossycobble
 	else
-		data[bi] = c_dirt_moss
-	end
-	
-	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-	
-	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
-	elseif drip_rand < 0.001 then
-		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
-	elseif drip_rand < 0.1 then
-		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
-		local height = math.floor(drip_rand/0.1 * 5)		
-		subterrane:stalagmite(vi, area, data, param2_data, param2, height, true)
-	elseif math.random() < 0.005 then
-		dfcaverns.spawn_fungiwood_vm(vi, area, data)
+		data[bi] = c_dirt
 	end
 end
 
 
 local level_1_cave_floor = function(area, data, ai, vi, bi, param2_data)
 	if dfcaverns.can_support_vegetation[data[bi]] then
-		data[bi] = c_dirt_moss
-		if math.random() < 0.25 then
+		data[bi] = c_cobble_fungus
+		if math.random() < 0.15 then
 			if data[vi] == c_air then
-				dfcaverns.place_shrub(data, vi, param2_data)
+				dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_dead_fungus, c_dead_fungus,  c_dead_fungus, c_cavern_fungi})
 			end
 		end
 		return
 	end
 	
-	if data[bi] == c_cobble and math.random() < 0.001 then
-		data[bi] = c_cobble_fungus
-		return
-	end
-	
 	if data[bi] ~= c_stone then
 		return
 	end
@@ -204,8 +208,8 @@ minetest.register_biome({
 	name = "dfcaverns_level1_flooded_biome_lower",
 	y_min = dfcaverns.config.level1_min,
 	y_max = subsea_level,
-	heat_point = -20,
-	humidity_point = 0,
+	heat_point = 50,
+	humidity_point = 100,
 	_subterrane_fill_node = c_water,
 	_subterrane_cave_fill_node = c_water,
 	_subterrane_floor_decor = level_1_underwater_floor,
@@ -216,8 +220,8 @@ minetest.register_biome({
 	name = "dfcaverns_level1_flooded_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.ymax,
-	heat_point = -20,
-	humidity_point = 0,
+	heat_point = 50,
+	humidity_point = 100,
 	_subterrane_ceiling_decor = level_1_moist_ceiling,
 	_subterrane_floor_decor = level_1_wet_floor,
 	_subterrane_fill_node = c_air,
@@ -229,8 +233,8 @@ minetest.register_biome({
 	name = "dfcaverns_level1_tower_cap_biome_lower",
 	y_min = dfcaverns.config.level1_min,
 	y_max = subsea_level,
-	heat_point = 80,
-	humidity_point = 20,
+	heat_point = 30,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_1_moist_ceiling,
 	_subterrane_floor_decor = level_1_tower_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -243,8 +247,8 @@ minetest.register_biome({
 	name = "dfcaverns_level1_tower_cap_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.ymax,
-	heat_point = 80,
-	humidity_point = 20,
+	heat_point = 30,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_1_moist_ceiling,
 	_subterrane_floor_decor = level_1_tower_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -257,8 +261,8 @@ minetest.register_biome({
 	name = "dfcaverns_level1_fungiwood_biome_lower",
 	y_min = dfcaverns.config.level1_min,
 	y_max = subsea_level,
-	heat_point = 60,
-	humidity_point = 100,
+	heat_point = 70,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_1_moist_ceiling,
 	_subterrane_floor_decor = level_1_fungiwood_floor,
 	_subterrane_fill_node = c_air,
@@ -269,10 +273,63 @@ minetest.register_biome({
 
 minetest.register_biome({
 	name = "dfcaverns_level1_fungiwood_biome_upper",
+	y_min = dfcaverns.config.level1_min,
+	y_max = subsea_level,
+	heat_point = 70,
+	humidity_point = 40,
+	_subterrane_ceiling_decor = level_1_moist_ceiling,
+	_subterrane_floor_decor = level_1_fungiwood_floor,
+	_subterrane_fill_node = c_air,
+	_subterrane_cave_floor_decor = level_1_cave_floor,
+	_subterrane_cave_ceiling_decor = level_1_cave_ceiling,
+	_subterrane_mitigate_lava = true,
+})
+
+minetest.register_biome({
+	name = "dfcaverns_level1_tower_cap_flooded_biome_lower",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.ymax,
-	heat_point = 60,
-	humidity_point = 100,
+	heat_point = 20,
+	humidity_point = 80,
+	_subterrane_fill_node = c_water,
+	_subterrane_cave_fill_node = c_water,
+	_subterrane_floor_decor = level_1_underwater_floor,
+	_subterrane_mitigate_lava = false, -- no need to mitigate lava in a flooded cave, problem is self-solving
+})
+
+
+minetest.register_biome({
+	name = "dfcaverns_level1_tower_cap_flooded_biome_upper",
+	y_min = subsea_level,
+	y_max = dfcaverns.config.ymax,
+	heat_point = 20,
+	humidity_point = 80,
+	_subterrane_ceiling_decor = level_1_moist_ceiling,
+	_subterrane_floor_decor = level_1_tower_cap_floor,
+	_subterrane_fill_node = c_air,
+	_subterrane_cave_floor_decor = level_1_cave_floor,
+	_subterrane_cave_ceiling_decor = level_1_cave_ceiling,
+	_subterrane_mitigate_lava = true,
+})
+
+minetest.register_biome({
+	name = "dfcaverns_level1_fungiwood_flooded_biome_lower",
+	y_min = dfcaverns.config.level1_min,
+	y_max = subsea_level,
+	heat_point = 80,
+	humidity_point = 80,
+	_subterrane_fill_node = c_water,
+	_subterrane_cave_fill_node = c_water,
+	_subterrane_floor_decor = level_1_underwater_floor,
+	_subterrane_mitigate_lava = false, -- no need to mitigate lava in a flooded cave, problem is self-solving
+})
+
+minetest.register_biome({
+	name = "dfcaverns_level1_fungiwood_flooded_biome_upper",
+	y_min = subsea_level,
+	y_max = dfcaverns.config.ymax,
+	heat_point = 80,
+	humidity_point = 80,
 	_subterrane_ceiling_decor = level_1_moist_ceiling,
 	_subterrane_floor_decor = level_1_fungiwood_floor,
 	_subterrane_fill_node = c_air,
@@ -285,8 +342,8 @@ minetest.register_biome({
 	name = "dfcaverns_level1_dry_biome_lower",
 	y_min = dfcaverns.config.level1_min,
 	y_max = subsea_level,
-	heat_point = 20,
-	humidity_point = 140,
+	heat_point = 50,
+	humidity_point = 0,
 	_subterrane_ceiling_decor = level_1_dry_ceiling,
 	_subterrane_floor_decor = level_1_dry_floor,
 	_subterrane_fill_node = c_air,
@@ -297,8 +354,8 @@ minetest.register_biome({
 	name = "dfcaverns_level1_dry_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.ymax,
-	heat_point = 20,
-	humidity_point = 140,
+	heat_point = 50,
+	humidity_point = 0,
 	_subterrane_ceiling_decor = level_1_dry_ceiling,
 	_subterrane_floor_decor = level_1_dry_floor,
 	_subterrane_fill_node = c_air,
diff --git a/biomes/level2.lua b/biomes/level2.lua
index 4b4dab0..88e68c7 100644
--- a/biomes/level2.lua
+++ b/biomes/level2.lua
@@ -8,10 +8,22 @@ local c_water = minetest.get_content_id("default:water_source")
 local c_air = minetest.get_content_id("air")
 local c_stone = minetest.get_content_id("default:stone")
 local c_cobble = minetest.get_content_id("default:cobble")
+local c_mossycobble = minetest.get_content_id("default:mossycobble")
 local c_dirt = minetest.get_content_id("default:dirt")
 
 local c_dirt_moss = minetest.get_content_id("dfcaverns:dirt_with_cave_moss")
 local c_cobble_fungus = minetest.get_content_id("dfcaverns:cobble_with_floor_fungus")
+
+local c_wet_flowstone = minetest.get_content_id("subterrane:wet_flowstone")
+local c_dry_flowstone = minetest.get_content_id("subterrane:dry_flowstone")
+
+
+local c_sweet_pod = minetest.get_content_id("dfcaverns:sweet_pod_6") -- param2 = 0
+local c_quarry_bush = minetest.get_content_id("dfcaverns:quarry_bush_5") -- param2 = 4
+local c_plump_helmet = minetest.get_content_id("dfcaverns:plump_helmet_4") -- param2 = 0-3
+local c_pig_tail = minetest.get_content_id("dfcaverns:pig_tail_8") -- param2 = 3
+local c_dimple_cup = minetest.get_content_id("dfcaverns:dimple_cup_4") -- param2 = 0
+local c_cave_wheat = minetest.get_content_id("dfcaverns:cave_wheat_8") -- param2 = 3
 local c_dead_fungus = minetest.get_content_id("dfcaverns:dead_fungus") -- param2 = 0
 local c_cavern_fungi = minetest.get_content_id("dfcaverns:cavern_fungi") -- param2 = 0
 
@@ -31,7 +43,9 @@ local level_2_tower_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_plump_helmet, c_pig_tail, c_dead_fungus, c_cavern_fungi})
+	elseif drip_rand < 0.0025 then
+		
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -41,88 +55,6 @@ local level_2_tower_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	end
 end
 
-local level_2_moist_ceiling = function(area, data, ai, vi, bi, param2_data)
-	if data[ai] ~= c_stone then
-		return
-	end
-	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-	if drip_rand < 0.075 then
-		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
-		local height = math.floor(drip_rand/0.075 * 5)
-		subterrane:stalagmite(vi, area, data, param2_data, param2, -height, true)
-	elseif math.random() < 0.03 then
-		dfcaverns.glow_worm_ceiling(area, data, ai, vi, bi)
-	end
-end
-
-local level_2_dry_floor = function(area, data, ai, vi, bi, param2_data)
-	if data[bi] ~= c_stone then
-		return
-	end
-	
-	if math.random() < 0.25 then
-		data[bi] = c_cobble_fungus
-		if math.random() < 0.1 then
-			data[vi] = c_dead_fungus
-		end
-	elseif math.random() < 0.5 then
-		data[bi] = c_cobble
-	end	
-	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-
-	if drip_rand < 0.05 then
-		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
-		local height = math.floor(drip_rand/0.05 * 5)		
-		subterrane:stalagmite(vi, area, data, param2_data, param2, height, false)
-	end
-end
-
-local level_2_wet_floor = function(area, data, ai, vi, bi, param2_data)
-	if data[bi] ~= c_stone then
-		return
-	end
-
-	if math.random() < 0.25 then
-		data[bi] = c_dirt_moss
-		if math.random() < 0.1 then
-			data[vi] = c_dead_fungus
-		elseif math.random() < 0.1 then
-			data[vi] = c_cavern_fungi
-		end
-	else
-		data[bi] = c_dirt
-	end	
-	
-	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-
-	if drip_rand < 0.05 then
-		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
-		local height = math.floor(drip_rand/0.05 * 5)		
-		subterrane:stalagmite(vi, area, data, param2_data, param2, height, true)
-	end
-end
-
-
-local level_2_underwater_floor = function(area, data, ai, vi, bi, param2_data)
-	if data[bi] ~= c_stone then
-		return
-	end
-	data[bi] = c_dirt
-end
-
-local level_2_dry_ceiling = function(area, data, ai, vi, bi, param2_data)
-	if data[ai] ~= c_stone then
-		return
-	end
-	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-	if drip_rand < 0.075 then
-		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
-		local height = math.floor(drip_rand/0.075 * 5)
-		subterrane:stalagmite(vi, area, data, param2_data, param2, -height, false)
-	end
-end
-
-
 local level_2_fungiwood_floor = function(area, data, ai, vi, bi, param2_data)
 	if data[bi] ~= c_stone then
 		return
@@ -137,7 +69,7 @@ local level_2_fungiwood_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_pig_tail, c_cave_wheat, c_cave_wheat, c_dead_fungus, c_cavern_fungi})
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -161,7 +93,7 @@ local level_2_tunnel_tube_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_pig_tail, c_pig_tail, c_cave_wheat, c_cave_wheat, c_dead_fungus, c_cavern_fungi})
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -185,7 +117,9 @@ local level_2_spore_tree_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_pig_tail, c_dimple_cup, c_dimple_cup, c_cave_wheat, c_dead_fungus, c_cavern_fungi})
+	elseif drip_rand < 0.001 then
+		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -209,7 +143,9 @@ local level_2_goblin_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_plump_helmet, c_dimple_cup, c_pig_tail, c_dead_fungus, c_cavern_fungi})
+	elseif drip_rand < 0.001 then
+		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -219,19 +155,97 @@ local level_2_goblin_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	end
 end
 
-local level_2_cave_floor = function(area, data, ai, vi, bi, param2_data)
-	if dfcaverns.can_support_vegetation[data[bi]] then
-		data[bi] = c_dirt_moss
-		if math.random() < 0.25 then
-			if data[vi] == c_air then
-				dfcaverns.place_shrub(data, vi, param2_data)
-			end
+
+local level_2_moist_ceiling = function(area, data, ai, vi, bi, param2_data)
+	if data[ai] ~= c_stone then
+		return
+	end
+	local drip_rand = subterrane:vertically_consistent_random(vi, area)
+	if drip_rand < 0.002 then
+		subterrane:giant_stalactite(ai, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
+	elseif drip_rand < 0.07 then
+		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
+		local height = math.floor(drip_rand/0.07 * 5)
+		subterrane:stalagmite(vi, area, data, param2_data, param2, -height, true)
+	elseif math.random() < 0.025 then
+		dfcaverns.glow_worm_ceiling(area, data, ai, vi, bi)
+	end
+end
+
+local level_2_wet_floor = function(area, data, ai, vi, bi, param2_data)
+	if data[bi] ~= c_stone then
+		return
+	end
+
+	if math.random() < 0.25 then
+		data[bi] = c_mossycobble
+		if math.random() < 0.1 then
+			data[vi] = c_dead_fungus
+		elseif math.random() < 0.1 then
+			data[vi] = c_cavern_fungi
 		end
+	end	
+	
+	local drip_rand = subterrane:vertically_consistent_random(vi, area)
+
+	if drip_rand < 0.05 then
+		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
+		local height = math.floor(drip_rand/0.05 * 5)		
+		subterrane:stalagmite(vi, area, data, param2_data, param2, height, true)
+	end
+end
+
+local level_2_dry_floor = function(area, data, ai, vi, bi, param2_data)
+	if data[bi] ~= c_stone then
 		return
 	end
 	
-	if data[bi] == c_cobble and math.random() < 0.001 then
+	if math.random() < 0.25 then
 		data[bi] = c_cobble_fungus
+		if math.random() < 0.1 then
+			data[vi] = c_dead_fungus
+		end
+	elseif math.random() < 0.5 then
+		data[bi] = c_cobble
+	end	
+	local drip_rand = subterrane:vertically_consistent_random(vi, area)
+
+	if drip_rand < 0.001 then
+		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_dry_flowstone, c_dry_flowstone, c_dry_flowstone)
+	elseif drip_rand < 0.05 then
+		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
+		local height = math.floor(drip_rand/0.05 * 5)		
+		subterrane:stalagmite(vi, area, data, param2_data, param2, height, false)
+	end
+end
+
+local level_2_dry_ceiling = function(area, data, ai, vi, bi, param2_data)
+	if data[ai] ~= c_stone then
+		return
+	end
+	local drip_rand = subterrane:vertically_consistent_random(vi, area)
+	if drip_rand < 0.075 then
+		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
+		local height = math.floor(drip_rand/0.075 * 5)
+		subterrane:stalagmite(vi, area, data, param2_data, param2, -height, false)
+	end
+end
+
+local level_2_underwater_floor = function(area, data, ai, vi, bi, param2_data)
+	if data[bi] ~= c_stone then
+		return
+	end
+	data[bi] = c_dirt
+end
+
+local level_2_cave_floor = function(area, data, ai, vi, bi, param2_data)
+	if dfcaverns.can_support_vegetation[data[bi]] then
+		data[bi] = c_cobble_fungus
+		if math.random() < 0.25 then
+			if data[vi] == c_air then
+				dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_pig_tail, c_dead_fungus, c_dead_fungus, c_cavern_fungi})
+			end
+		end
 		return
 	end
 	
@@ -268,8 +282,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_flooded_biome_lower",
 	y_min = dfcaverns.config.level2_min,
 	y_max = subsea_level,
-	heat_point = 20,
-	humidity_point = 0,
+	heat_point = 50,
+	humidity_point = 90,
 	_subterrane_fill_node = c_water,
 	_subterrane_cave_fill_node = c_water,
 	_subterrane_floor_decor = level_2_underwater_floor,
@@ -280,8 +294,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_flooded_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level1_min,
-	heat_point = 20,
-	humidity_point = 0,
+	heat_point = 50,
+	humidity_point = 90,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_wet_floor,
 	_subterrane_fill_node = c_air,
@@ -294,8 +308,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_tower_cap_biome_lower",
 	y_min = dfcaverns.config.level2_min,
 	y_max = subsea_level,
-	heat_point = 40,
-	humidity_point = 10,
+	heat_point = 0,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_tower_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -308,8 +322,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_tower_cap_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level1_min,
-	heat_point = 40,
-	humidity_point = 10,
+	heat_point = 0,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_tower_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -322,8 +336,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_fungiwood_biome_lower",
 	y_min = dfcaverns.config.level2_min,
 	y_max = subsea_level,
-	heat_point = 80,
-	humidity_point = 50,
+	heat_point = 100,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_fungiwood_floor,
 	_subterrane_fill_node = c_air,
@@ -336,8 +350,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_fungiwood_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level1_min,
-	heat_point = 80,
-	humidity_point = 50,
+	heat_point = 100,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_fungiwood_floor,
 	_subterrane_fill_node = c_air,
@@ -350,8 +364,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_goblin_cap_biome_lower",
 	y_min = dfcaverns.config.level2_min,
 	y_max = subsea_level,
-	heat_point = 60,
-	humidity_point = 20,
+	heat_point = 20,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_goblin_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -364,8 +378,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_goblin_cap_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level1_min,
-	heat_point = 60,
-	humidity_point = 20,
+	heat_point = 20,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_goblin_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -380,7 +394,7 @@ minetest.register_biome({
 	y_min = dfcaverns.config.level2_min,
 	y_max = subsea_level,
 	heat_point = 60,
-	humidity_point = 80,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_spore_tree_floor,
 	_subterrane_fill_node = c_air,
@@ -394,7 +408,7 @@ minetest.register_biome({
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level1_min,
 	heat_point = 60,
-	humidity_point = 80,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_spore_tree_floor,
 	_subterrane_fill_node = c_air,
@@ -407,8 +421,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_tunnel_tube_biome_lower",
 	y_min = dfcaverns.config.level2_min,
 	y_max = subsea_level,
-	heat_point = 40,
-	humidity_point = 100,
+	heat_point = 80,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_tunnel_tube_floor,
 	_subterrane_fill_node = c_air,
@@ -421,8 +435,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_tunnel_tube_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level1_min,
-	heat_point = 40,
-	humidity_point = 100,
+	heat_point = 80,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_2_moist_ceiling,
 	_subterrane_floor_decor = level_2_tunnel_tube_floor,
 	_subterrane_fill_node = c_air,
@@ -435,8 +449,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_dry_biome_lower",
 	y_min = dfcaverns.config.level2_min,
 	y_max = subsea_level,
-	heat_point = 20,
-	humidity_point = 110,
+	heat_point = 50,
+	humidity_point = 0,
 	_subterrane_ceiling_decor = level_2_dry_ceiling,
 	_subterrane_floor_decor = level_2_dry_floor,
 	_subterrane_fill_node = c_air,
@@ -447,8 +461,8 @@ minetest.register_biome({
 	name = "dfcaverns_level2_dry_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level1_min,
-	heat_point = 20,
-	humidity_point = 110,
+	heat_point = 50,
+	humidity_point = 0,
 	_subterrane_ceiling_decor = level_2_dry_ceiling,
 	_subterrane_floor_decor = level_2_dry_floor,
 	_subterrane_fill_node = c_air,
diff --git a/biomes/level3.lua b/biomes/level3.lua
index 8be9337..08795bd 100644
--- a/biomes/level3.lua
+++ b/biomes/level3.lua
@@ -18,40 +18,29 @@ local c_ice = minetest.get_content_id("default:ice")
 
 local c_dirt_moss = minetest.get_content_id("dfcaverns:dirt_with_cave_moss")
 local c_cobble_fungus = minetest.get_content_id("dfcaverns:cobble_with_floor_fungus")
+
+local c_wet_flowstone = minetest.get_content_id("subterrane:wet_flowstone")
+local c_dry_flowstone = minetest.get_content_id("subterrane:dry_flowstone")
+
+local c_sweet_pod = minetest.get_content_id("dfcaverns:sweet_pod_6") -- param2 = 0
+local c_quarry_bush = minetest.get_content_id("dfcaverns:quarry_bush_5") -- param2 = 4
+local c_plump_helmet = minetest.get_content_id("dfcaverns:plump_helmet_4") -- param2 = 0-3
+local c_pig_tail = minetest.get_content_id("dfcaverns:pig_tail_8") -- param2 = 3
+local c_dimple_cup = minetest.get_content_id("dfcaverns:dimple_cup_4") -- param2 = 0
+local c_cave_wheat = minetest.get_content_id("dfcaverns:cave_wheat_8") -- param2 = 3
 local c_dead_fungus = minetest.get_content_id("dfcaverns:dead_fungus") -- param2 = 0
 local c_cavern_fungi = minetest.get_content_id("dfcaverns:cavern_fungi") -- param2 = 0
 
 local subsea_level = (dfcaverns.config.level3_min - dfcaverns.config.level2_min) * 0.3 + dfcaverns.config.level3_min
 
-local level_3_blood_thorn_floor = function(area, data, ai, vi, bi, param2_data)
-	if data[bi] ~= c_stone then
-		return
-	end
-	
-	if math.random() < 0.1 then
-		data[bi] = c_dirt_moss
-	else
-		data[bi] = c_sand
-	end
-	
-	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
-	elseif drip_rand < 0.05 then
-		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
-		local height = math.floor(drip_rand/0.05 * 5)		
-		subterrane:stalagmite(vi, area, data, param2_data, param2, height, false)
-	elseif math.random() < 0.05 then
-		dfcaverns.spawn_blood_thorn_vm(vi, area, data, param2_data)
-	end
-end
-
 local level_3_moist_ceiling = function(area, data, ai, vi, bi, param2_data)
 	if data[ai] ~= c_stone then
 		return
 	end
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
-	if drip_rand < 0.075 then
+	if drip_rand < 0.0025 then
+		subterrane:giant_stalactite(ai, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
+	elseif drip_rand < 0.075 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.075 * 5)
 		subterrane:stalagmite(vi, area, data, param2_data, param2, -height, true)
@@ -75,7 +64,9 @@ local level_3_dry_floor = function(area, data, ai, vi, bi, param2_data)
 	end	
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 
-	if drip_rand < 0.05 then
+	if drip_rand < 0.001 then
+		subterrane:giant_stalagmite(bi, area, data, 6, 20, c_dry_flowstone, c_dry_flowstone, c_dry_flowstone)
+	elseif drip_rand < 0.05 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.05 * 5)		
 		subterrane:stalagmite(vi, area, data, param2_data, param2, height, false)
@@ -127,6 +118,28 @@ local level_3_dry_ceiling = function(area, data, ai, vi, bi, param2_data)
 	end
 end
 
+local level_3_blood_thorn_floor = function(area, data, ai, vi, bi, param2_data)
+	if data[bi] ~= c_stone then
+		return
+	end
+	
+	if math.random() < 0.1 then
+		data[bi] = c_dirt_moss
+	else
+		data[bi] = c_sand
+	end
+	
+	local drip_rand = subterrane:vertically_consistent_random(vi, area)
+	if math.random() < 0.1 then
+		dfcaverns.place_shrub(data, vi, param2_data, {c_sweet_pod, c_sweet_pod, c_plump_helmet, c_dead_fungus, c_dead_fungus, c_dead_fungus, c_cavern_fungi})
+	elseif drip_rand < 0.05 then
+		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
+		local height = math.floor(drip_rand/0.05 * 5)		
+		subterrane:stalagmite(vi, area, data, param2_data, param2, height, false)
+	elseif math.random() < 0.05 then
+		dfcaverns.spawn_blood_thorn_vm(vi, area, data, param2_data)
+	end
+end
 
 local level_3_nether_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	if data[bi] ~= c_stone then
@@ -146,7 +159,7 @@ local level_3_nether_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.01 and data[bi] ~= c_ice then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_dimple_cup, c_plump_helmet, c_dead_fungus, c_dead_fungus, c_dead_fungus, c_cavern_fungi})
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)
@@ -172,7 +185,7 @@ local level_3_tunnel_tube_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_pig_tail, c_quarry_bush, c_quarry_bush, c_cave_wheat, c_dead_fungus, c_cavern_fungi})
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -196,7 +209,9 @@ local level_3_spore_tree_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_pig_tail, c_quarry_bush, c_quarry_bush, c_dimple_cup, c_dead_fungus, c_cavern_fungi})
+	elseif drip_rand < 0.001 then
+		subterrane:giant_stalagmite(bi, area, data, 6, 15, c_wet_flowstone, c_wet_flowstone, c_wet_flowstone)
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -220,7 +235,7 @@ local level_3_goblin_cap_floor = function(area, data, ai, vi, bi, param2_data)
 	local drip_rand = subterrane:vertically_consistent_random(vi, area)
 	
 	if math.random() < 0.1 then
-		dfcaverns.place_shrub(data, vi, param2_data)
+		dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_sweet_pod, c_sweet_pod, c_quarry_bush, c_dead_fungus, c_cavern_fungi})
 	elseif drip_rand < 0.1 then
 		local param2 = drip_rand*1000000 - math.floor(drip_rand*1000000/4)*4
 		local height = math.floor(drip_rand/0.1 * 5)		
@@ -235,7 +250,7 @@ local level_3_cave_floor = function(area, data, ai, vi, bi, param2_data)
 		data[bi] = c_dirt_moss
 		if math.random() < 0.25 then
 			if data[vi] == c_air then
-				dfcaverns.place_shrub(data, vi, param2_data)
+				dfcaverns.place_shrub(data, vi, param2_data, {c_plump_helmet, c_quarry_bush, c_dead_fungus, c_dead_fungus, c_cavern_fungi})
 			end
 		end
 		return
@@ -279,8 +294,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_flooded_biome_lower",
 	y_min = dfcaverns.config.level3_min,
 	y_max = subsea_level,
-	heat_point = 20,
-	humidity_point = 0,
+	heat_point = 50,
+	humidity_point = 90,
 	_subterrane_fill_node = c_water,
 	_subterrane_cave_fill_node = c_water,
 	_subterrane_floor_decor = level_3_underwater_floor,
@@ -290,8 +305,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_flooded_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level2_min,
-	heat_point = 20,
-	humidity_point = 0,
+	heat_point = 50,
+	humidity_point = 90,
 	_subterrane_ceiling_decor = level_3_moist_ceiling,
 	_subterrane_floor_decor = level_3_wet_floor,
 	_subterrane_fill_node = c_air,
@@ -304,8 +319,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_blood_thorn_biome_lower",
 	y_min = dfcaverns.config.level3_min,
 	y_max = subsea_level,
-	heat_point = 40,
-	humidity_point = 100,
+	heat_point = 20,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_3_dry_ceiling,
 	_subterrane_floor_decor = level_3_blood_thorn_floor,
 	_subterrane_fill_node = c_air,
@@ -318,8 +333,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_blood_thorn_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level2_min,
-	heat_point = 40,
-	humidity_point = 100,
+	heat_point = 20,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_3_dry_ceiling,
 	_subterrane_floor_decor = level_3_blood_thorn_floor,
 	_subterrane_fill_node = c_air,
@@ -332,7 +347,7 @@ minetest.register_biome({
 	name = "dfcaverns_level3_nether_cap_biome_lower",
 	y_min = dfcaverns.config.level3_min,
 	y_max = subsea_level,
-	heat_point = 80,
+	heat_point = 90,
 	humidity_point = 50,
 	_subterrane_ceiling_decor = level_3_dry_ceiling,
 	_subterrane_floor_decor = level_3_nether_cap_floor,
@@ -346,7 +361,7 @@ minetest.register_biome({
 	name = "dfcaverns_level3_nether_cap_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level2_min,
-	heat_point = 80,
+	heat_point = 90,
 	humidity_point = 50,
 	_subterrane_ceiling_decor = level_3_dry_ceiling,
 	_subterrane_floor_decor = level_3_nether_cap_floor,
@@ -360,8 +375,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_goblin_cap_biome_lower",
 	y_min = dfcaverns.config.level3_min,
 	y_max = subsea_level,
-	heat_point = 60,
-	humidity_point = 20,
+	heat_point = 20,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_3_moist_ceiling,
 	_subterrane_floor_decor = level_3_goblin_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -374,8 +389,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_goblin_cap_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level2_min,
-	heat_point = 60,
-	humidity_point = 20,
+	heat_point = 20,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_3_moist_ceiling,
 	_subterrane_floor_decor = level_3_goblin_cap_floor,
 	_subterrane_fill_node = c_air,
@@ -389,7 +404,7 @@ minetest.register_biome({
 	y_min = dfcaverns.config.level3_min,
 	y_max = subsea_level,
 	heat_point = 60,
-	humidity_point = 80,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_3_moist_ceiling,
 	_subterrane_floor_decor = level_3_spore_tree_floor,
 	_subterrane_fill_node = c_air,
@@ -403,7 +418,7 @@ minetest.register_biome({
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level2_min,
 	heat_point = 60,
-	humidity_point = 80,
+	humidity_point = 60,
 	_subterrane_ceiling_decor = level_3_moist_ceiling,
 	_subterrane_floor_decor = level_3_spore_tree_floor,
 	_subterrane_fill_node = c_air,
@@ -415,8 +430,8 @@ minetest.register_biome({
 minetest.register_biome({
 	name = "dfcaverns_level3_tunnel_tube_biome_lower",
 	y_min = dfcaverns.config.level3_min,
-	heat_point = 40,
-	humidity_point = 10,
+	heat_point = 60,
+	humidity_point = 40,
 	y_max = subsea_level,
 	_subterrane_ceiling_decor = level_3_moist_ceiling,
 	_subterrane_floor_decor = level_3_tunnel_tube_floor,
@@ -430,8 +445,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_tunnel_tube_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level2_min,
-	heat_point = 40,
-	humidity_point = 10,
+	heat_point = 60,
+	humidity_point = 40,
 	_subterrane_ceiling_decor = level_3_moist_ceiling,
 	_subterrane_floor_decor = level_3_tunnel_tube_floor,
 	_subterrane_fill_node = c_air,
@@ -445,8 +460,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_dry_biome_lower",
 	y_min = dfcaverns.config.level3_min,
 	y_max = subsea_level,
-	heat_point = 20,
-	humidity_point = 110,
+	heat_point = 50,
+	humidity_point = 0,
 	_subterrane_ceiling_decor = level_3_dry_ceiling,
 	_subterrane_floor_decor = level_3_dry_floor,
 	_subterrane_fill_node = c_air,
@@ -457,8 +472,8 @@ minetest.register_biome({
 	name = "dfcaverns_level3_dry_biome_upper",
 	y_min = subsea_level,
 	y_max = dfcaverns.config.level2_min,
-	heat_point = 20,
-	humidity_point = 110,
+	heat_point = 50,
+	humidity_point = 0,
 	_subterrane_ceiling_decor = level_3_dry_ceiling,
 	_subterrane_floor_decor = level_3_dry_floor,
 	_subterrane_fill_node = c_air,
diff --git a/biomes/underworld.lua b/biomes/underworld.lua
index e69de29..1a9bd22 100644
--- a/biomes/underworld.lua
+++ b/biomes/underworld.lua
@@ -0,0 +1,24 @@
+local c_water = minetest.get_content_id("default:water_source")
+local c_air = minetest.get_content_id("air")
+local c_stone = minetest.get_content_id("default:stone")
+local c_cobble = minetest.get_content_id("default:cobble")
+local c_dirt = minetest.get_content_id("default:dirt")
+local c_sand = minetest.get_content_id("default:sand")
+local c_lava = minetest.get_content_id("default:lava_source")
+
+local c_dirt_moss = minetest.get_content_id("dfcaverns:dirt_with_cave_moss")
+local c_cobble_fungus = minetest.get_content_id("dfcaverns:cobble_with_floor_fungus")
+local c_dead_fungus = minetest.get_content_id("dfcaverns:dead_fungus") -- param2 = 0
+local c_cavern_fungi = minetest.get_content_id("dfcaverns:cavern_fungi") -- param2 = 0
+
+-------------------------------------------------------------------------------------------
+
+
+minetest.register_biome({
+	name = "dfcaverns_underworld",
+	y_min = dfcaverns.config.ymin,
+	y_max = dfcaverns.config.lava_sea_min,
+	heat_point = 50,
+	humidity_point = 50,	
+})
+