diff --git a/depends.txt b/depends.txt
index c333993..e03b9dd 100644
--- a/depends.txt
+++ b/depends.txt
@@ -8,4 +8,5 @@ wool?
 magma_conduits?
 intllib?
 doc?
-simplecrafting_lib?
\ No newline at end of file
+simplecrafting_lib?
+radiant_damage?
\ No newline at end of file
diff --git a/features/flowstone_nodes.lua b/features/flowstone_nodes.lua
index a8bbe43..2979e7e 100644
--- a/features/flowstone_nodes.lua
+++ b/features/flowstone_nodes.lua
@@ -15,7 +15,7 @@ minetest.register_alias("subterrane:dry_flowstone", "dfcaverns:dry_flowstone")
 
 -----------------------------------------------
 
-subterrane.register_stalagmite_nodes("dfcaverns:dry_stal", {
+dfcaverns.dry_stalagmite_ids = subterrane.register_stalagmite_nodes("dfcaverns:dry_stal", {
 	description = S("Dry Dripstone"),
 	_doc_items_longdesc = dfcaverns.doc.dripstone_desc,
 	_doc_items_usagehelp = dfcaverns.doc.dripstone_usage,
@@ -39,7 +39,7 @@ minetest.register_node("dfcaverns:dry_flowstone", {
 
 -----------------------------------------------
 
-subterrane.register_stalagmite_nodes("dfcaverns:wet_stal", {
+dfcaverns.wet_stalagmite_ids = subterrane.register_stalagmite_nodes("dfcaverns:wet_stal", {
 	description = S("Wet Dripstone"),
 	_doc_items_longdesc = dfcaverns.doc.dripstone_desc,
 	_doc_items_usagehelp = dfcaverns.doc.dripstone_usage,
@@ -64,7 +64,7 @@ minetest.register_node("dfcaverns:wet_flowstone", {
 
 -----------------------------------------------
 
-subterrane.register_stalagmite_nodes("dfcaverns:icicle", {
+dfcaverns.icicle_ids = subterrane.register_stalagmite_nodes("dfcaverns:icicle", {
 	description = S("Icicle"),
 	_doc_items_longdesc = dfcaverns.doc.icicle_desc,
 	_doc_items_usagehelp = dfcaverns.doc.icicle_usage,
@@ -74,21 +74,3 @@ subterrane.register_stalagmite_nodes("dfcaverns:icicle", {
 	groups = {cracky = 3, puts_out_fire = 1, cools_lava = 1, slippery = 3},
 	sounds = default.node_sound_glass_defaults(),
 })
-
-
-
-local c_dry_stal_1 = minetest.get_content_id("dfcaverns:dry_stal_1") -- thinnest
-local c_dry_stal_2 = minetest.get_content_id("dfcaverns:dry_stal_2")
-local c_dry_stal_3 = minetest.get_content_id("dfcaverns:dry_stal_3")
-local c_dry_stal_4 = minetest.get_content_id("dfcaverns:dry_stal_4") -- thickest
-dfcaverns.dry_stalagmite_ids = {c_dry_stal_1, c_dry_stal_2, c_dry_stal_3, c_dry_stal_4}
-local c_wet_stal_1 = minetest.get_content_id("dfcaverns:wet_stal_1") -- thinnest
-local c_wet_stal_2 = minetest.get_content_id("dfcaverns:wet_stal_2")
-local c_wet_stal_3 = minetest.get_content_id("dfcaverns:wet_stal_3")
-local c_wet_stal_4 = minetest.get_content_id("dfcaverns:wet_stal_4") -- thickest
-dfcaverns.wet_stalagmite_ids = {c_wet_stal_1, c_wet_stal_2, c_wet_stal_3, c_wet_stal_4}
-local c_icicle_1 = minetest.get_content_id("dfcaverns:icicle_1") -- thinnest
-local c_icicle_2 = minetest.get_content_id("dfcaverns:icicle_2")
-local c_icicle_3 = minetest.get_content_id("dfcaverns:icicle_3")
-local c_icicle_4 = minetest.get_content_id("dfcaverns:icicle_4") -- thickest
-dfcaverns.icicle_ids = {c_icicle_1, c_icicle_2, c_icicle_3, c_icicle_4}
diff --git a/features/snareweed.lua b/features/snareweed.lua
index 6125d93..a1f7ee3 100644
--- a/features/snareweed.lua
+++ b/features/snareweed.lua
@@ -8,7 +8,6 @@ minetest.register_node("dfcaverns:snareweed", {
 	_doc_items_usagehelp = dfcaverns.doc.snareweed_usage,
 	tiles = {"default_dirt.png^dfcaverns_snareweed_roots.png", "default_dirt.png"},
 	drawtype="plantlike_rooted",
---	paramtype = "light",
 	paramtype2 = "leveled",
 	special_tiles = {{name = "dfcaverns_snareweed.png", tileable_vertical = true}},
 	is_ground_content = true,
@@ -18,6 +17,21 @@ minetest.register_node("dfcaverns:snareweed", {
 	sounds = default.node_sound_dirt_defaults(),
 })
 
+if minetest.get_modpath("radiant_damage") then
+	radiant_damage.register_radiant_damage({
+		damage_name = "snareweed", -- a string used in logs to identify the type of damage dealt
+		interval = 1, -- number of seconds between each damage check
+		range = 5, -- range of the damage. Can be omitted if inverse_square_falloff is true, in that case it defaults to the range at which 1 point of damage is done.
+		inverse_square_falloff = false, -- if true, damage falls off with the inverse square of the distance. If false, damage is constant within the range.
+		damage = 2, -- number of damage points dealt each interval
+		nodenames = {"dfcaverns:snareweed"}, -- nodes that cause this damage. Same format as the nodenames parameter for minetest.find_nodes_in_area
+		occlusion = false, -- if true, damaging effect only passes through air. Other nodes will cast "shadows".
+		above_only = true, -- if true, damage only propagates directly upward.
+		cumulative = false, -- if true, all nodes within range do damage. If false, only the nearest one does damage.
+	})
+end
+
+
 local c_water = minetest.get_content_id("default:water_source")
 local c_dirt = minetest.get_content_id("default:dirt")
 local c_snareweed = minetest.get_content_id("dfcaverns:snareweed")