diff --git a/3d_armor/README.txt b/3d_armor/README.txt
index d64cabd..224f81c 100644
--- a/3d_armor/README.txt
+++ b/3d_armor/README.txt
@@ -11,6 +11,9 @@ a player's armor group level making them less vulnerable to weapons.
 Armor takes damage when a player is hurt but also offers a percentage chance of healing.
 Overall level is boosted by 10% when wearing a full matching set.
 
+Fire protection added by TenPlus1 when using crystal armor if Ethereal mod active, level 1
+protects against torches, level 2 for crystal spike, level 3 for fire, level 5 for lava.
+
 Configuration
 -------------
 
diff --git a/3d_armor/armor.conf.example b/3d_armor/armor.conf.example
index 27395f2..15cfe91 100644
--- a/3d_armor/armor.conf.example
+++ b/3d_armor/armor.conf.example
@@ -10,6 +10,20 @@ ARMOR_MATERIALS = {
 	diamond = "default:diamond",
 	gold = "default:gold_ingot",
 	mithril = "moreores:mithril_ingot",
+	crystal = "ethereal:crystal_ingot",
+}
+
+-- Enable fire protection (defaults true if using ethereal mod)
+ARMOR_FIRE_PROTECT = false
+
+-- Fire protection nodes, (name, protection level, damage)
+ARMOR_FIRE_NODES = {
+	{"default:lava_source",		5,	4},
+	{"default:lava_flowing", 	5,	4},
+	{"fire:basic_flame",		3,	4},
+	{"ethereal:crystal_spike",	2,	1},
+	{"bakedclay:safe_fire",		2,	1},
+	{"default:torch",			1,	1},
 }
 
 -- Increase this if you get initialization glitches when a player first joins.
@@ -40,10 +54,3 @@ ARMOR_LEVEL_MULTIPLIER = 1
 -- eg: ARMOR_HEAL_MULTIPLIER = 0 will disable healing altogether.
 ARMOR_HEAL_MULTIPLIER = 1
 
--- You can also use this file to execute arbitary lua code
--- eg: Dumb the armor down if using Simple Mobs
-if minetest.get_modpath("mobs") then
-	ARMOR_LEVEL_MULTIPLIER = 0.5
-	ARMOR_HEAL_MULTIPLIER = 0
-end
-
diff --git a/3d_armor/armor.lua b/3d_armor/armor.lua
index 2330331..130e563 100644
--- a/3d_armor/armor.lua
+++ b/3d_armor/armor.lua
@@ -14,6 +14,16 @@ ARMOR_MATERIALS = {
 	diamond = "default:diamond",
 	gold = "default:gold_ingot",
 	mithril = "moreores:mithril_ingot",
+	crystal = "ethereal:crystal_ingot",
+}
+ARMOR_FIRE_PROTECT = minetest.get_modpath("ethereal") ~= nil
+ARMOR_FIRE_NODES = {
+	{"default:lava_source",     5, 4},
+	{"default:lava_flowing",    5, 4},
+	{"fire:basic_flame",        3, 4},
+	{"ethereal:crystal_spike",  2, 1},
+	{"bakedclay:safe_fire",     2, 1},
+	{"default:torch",           1, 1},
 }
 
 local skin_mod = nil
@@ -36,7 +46,20 @@ end
 if not minetest.get_modpath("moreores") then
 	ARMOR_MATERIALS.mithril = nil
 end
+if not minetest.get_modpath("ethereal") then
+	ARMOR_MATERIALS.crystal = nil
+end
 
+-- override hot nodes so they do not hurt player anywhere but mod
+if ARMOR_FIRE_PROTECT == true then
+	minetest.after(2, function()
+		for _, row in ipairs(ARMOR_FIRE_NODES) do
+			if minetest.registered_nodes[row[1]] then
+				minetest.override_item(row[1], {damage_per_second = 0})
+			end
+		end
+	end)
+end
 
 local time = 0
 
@@ -61,6 +84,7 @@ if minetest.get_modpath("inventory_plus") then
 		.."image[2.5,0.75;2,4;armor_preview]"
 		.."label[5,1;Level: armor_level]"
 		.."label[5,1.5;Heal:  armor_heal]"
+		.."label[5,2;Fire:  armor_fire]"
 		.."list[current_player;main;0,4.5;8,4;]"
 elseif minetest.get_modpath("unified_inventory") then
 	inv_mod = "unified_inventory"
@@ -77,6 +101,7 @@ elseif minetest.get_modpath("unified_inventory") then
 				.."image[2.5,0.75;2,4;"..armor.textures[name].preview.."]"
 				.."label[5,1;Level: "..armor.def[name].level.."]"
 				.."label[5,1.5;Heal:  "..armor.def[name].heal.."]"
+				.."label[5,2;Fire:  "..armor.def[name].fire.."]"
 			return {formspec=formspec}
 		end,
 	})
@@ -121,6 +146,7 @@ armor.set_player_armor = function(self, player)
 	local armor_texture = "3d_armor_trans.png"
 	local armor_level = 0
 	local armor_heal = 0
+	local armor_fire = 0
 	local state = 0
 	local items = 0
 	local elements = {}
@@ -148,6 +174,8 @@ armor.set_player_armor = function(self, player)
 						items = items + 1
 						local heal = def.groups["armor_heal"] or 0
 						armor_heal = armor_heal + heal
+						local fire = def.groups["armor_fire"] or 0
+						armor_fire = armor_fire + fire
 						for kk,vv in ipairs(self.physics) do
 							local o_value = def.groups["physics_"..vv]
 							if o_value then
@@ -195,15 +223,32 @@ armor.set_player_armor = function(self, player)
 	self.def[name].jump = physics_o.jump
 	self.def[name].speed = physics_o.speed
 	self.def[name].gravity = physics_o.gravity
+	self.def[name].fire = armor_fire
 	self:update_player_visuals(player)
 end
 
-armor.update_armor = function(self, player)
-	local name, player_inv, armor_inv = armor:get_valid_player(player, "[update_armor]")
+armor.update_armor = function(self, player, dtime)
+	local name, player_inv, armor_inv, pos = armor:get_valid_player(player, "[update_armor]")
 	if not name then
 		return
 	end
 	local hp = player:get_hp() or 0
+	if ARMOR_FIRE_PROTECT == true then
+		pos.y = pos.y + 1.4 -- head level
+		local node_head = minetest.get_node(pos).name
+		pos.y = pos.y - 1.2 -- feet level
+		local node_feet = minetest.get_node(pos).name
+		-- is player inside a hot node?
+		for _, row in ipairs(ARMOR_FIRE_NODES) do
+			-- check for fire protection, if not enough then get hurt
+			if row[1] == node_head or row[1] == node_feet then
+				if hp > 0 and armor.def[name].fire < row[2] then
+					player:set_hp(hp - row[3] * dtime)
+					break
+				end
+			end
+		end
+	end	
 	if hp == 0 or hp == self.player_hp[name] then
 		return
 	end
@@ -274,7 +319,9 @@ armor.get_armor_formspec = function(self, name)
 	local formspec = armor.formspec:gsub("player_name", name)
 	formspec = formspec:gsub("armor_preview", armor.textures[name].preview)
 	formspec = formspec:gsub("armor_level", armor.def[name].level)
-	return formspec:gsub("armor_heal", armor.def[name].heal)
+	formspec = formspec:gsub("armor_heal", armor.def[name].heal)
+	formspec = formspec:gsub("armor_fire", armor.def[name].fire)
+	return formspec
 end
 
 armor.update_inventory = function(self, player)
@@ -348,7 +395,6 @@ default.player_register_model("3d_armor_character.b3d", {
 -- Register Callbacks
 
 minetest.register_on_player_receive_fields(function(player, formname, fields)
-
 	local name = armor:get_valid_player(player, "[on_player_receive_fields]")
 	if not name or inv_mod == "inventory_enhanced" then
 		return
@@ -373,7 +419,7 @@ minetest.register_on_joinplayer(function(player)
 	default.player_set_model(player, "3d_armor_character.b3d")
 	local name = player:get_player_name()
 	local player_inv = player:get_inventory()
-	local armor_inv = minetest.create_detached_inventory(name.."_armor",{
+	local armor_inv = minetest.create_detached_inventory(name.."_armor", {
 		on_put = function(inv, listname, index, stack, player)
 			player:get_inventory():set_stack(listname, index, stack)
 			armor:set_player_armor(player)
@@ -429,6 +475,7 @@ minetest.register_on_joinplayer(function(player)
 		jump = 1,
 		speed = 1,
 		gravity = 1,
+		fire = 0,
 	}
 	armor.textures[name] = {
 		skin = armor.default_skin..".png",
@@ -490,7 +537,6 @@ if ARMOR_DROP == true or ARMOR_DESTROY == true then
 			obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
 		end
 	end
-
 	minetest.register_on_dieplayer(function(player)
 		local name, player_inv, armor_inv, pos = armor:get_valid_player(player, "[on_dieplayer]")
 		if not name then
@@ -545,7 +591,7 @@ minetest.register_globalstep(function(dtime)
 	time = time + dtime
 	if time > ARMOR_UPDATE_TIME then
 		for _,player in ipairs(minetest.get_connected_players()) do
-			armor:update_armor(player)
+			armor:update_armor(player, time)
 		end
 		time = 0
 	end
diff --git a/3d_armor/crafting_guide.txt b/3d_armor/crafting_guide.txt
index 1503a3c..abd1519 100644
--- a/3d_armor/crafting_guide.txt
+++ b/3d_armor/crafting_guide.txt
@@ -18,6 +18,7 @@ Helmets:
 [3d_armor:helmet_diamond] X = [default:diamond]
 [3d_armor:helmet_gold] X = [default:gold_ingot]
 [3d_armor:helmet_mithril] X = [moreores:mithril_ingot] *
+[3d_armor:helmet_crystal] X = [ethereal:crystal_ingot] **
 
 Chestplates:
 
@@ -36,6 +37,7 @@ Chestplates:
 [3d_armor:chestplate_diamond] X = [default:diamond]
 [3d_armor:chestplate_gold] X = [default:gold_ingot]
 [3d_armor:chestplate_mithril] X = [moreores:mithril_ingot] *
+[3d_armor:chestplate_crystal] X = [ethereal:crystal_ingot] **
 
 Leggings:
 
@@ -54,6 +56,7 @@ Leggings:
 [3d_armor:leggings_diamond] X = [default:diamond]
 [3d_armor:leggings_gold] X = [default:gold_ingot]
 [3d_armor:leggings_mithril] X = [moreores:mithril_ingot] *
+[3d_armor:leggings_crystal] X = [ethereal:crystal_ingot] **
 
 Boots:
 
@@ -70,6 +73,7 @@ Boots:
 [3d_armor:boots_diamond] X = [default:diamond]
 [3d_armor:boots_gold] X = [default:gold_ingot]
 [3d_armor:boots_mithril] X = [moreores:mithril_ingot] *
+[3d_armor:boots_crystal] X = [ethereal:crystal_ingot] **
 
-* Requires moreores mod by Calinou - https://forum.minetest.net/viewtopic.php?id=549
-
+ * Requires moreores mod by Calinou - https://forum.minetest.net/viewtopic.php?id=549
+** Requires ethereal mod by Chinchow & TenPlus1 - https://github.com/tenplus1/ethereal
diff --git a/3d_armor/init.lua b/3d_armor/init.lua
index 9d5d986..4a2116f 100644
--- a/3d_armor/init.lua
+++ b/3d_armor/init.lua
@@ -191,6 +191,33 @@ if ARMOR_MATERIALS.mithril then
 	})
 end
 
+if ARMOR_MATERIALS.crystal then
+	minetest.register_tool("3d_armor:helmet_crystal", {
+		description = "Crystal Helmet",
+		inventory_image = "3d_armor_inv_helmet_crystal.png",
+		groups = {armor_head=15, armor_heal=12, armor_use=50, armor_fire=1},
+		wear = 0,
+	})
+	minetest.register_tool("3d_armor:chestplate_crystal", {
+		description = "Crystal Chestplate",
+		inventory_image = "3d_armor_inv_chestplate_crystal.png",
+		groups = {armor_torso=20, armor_heal=12, armor_use=50, armor_fire=1},
+		wear = 0,
+	})
+	minetest.register_tool("3d_armor:leggings_crystal", {
+		description = "Crystal Leggings",
+		inventory_image = "3d_armor_inv_leggings_crystal.png",
+		groups = {armor_legs=20, armor_heal=12, armor_use=50, armor_fire=1},
+		wear = 0,
+	})
+	minetest.register_tool("3d_armor:boots_crystal", {
+		description = "Crystal Boots",
+		inventory_image = "3d_armor_inv_boots_crystal.png",
+		groups = {armor_feet=15, armor_heal=12, armor_use=50, physics_speed=1, physics_jump=0.5, armor_fire=1},
+		wear = 0,
+	})
+end
+
 for k, v in pairs(ARMOR_MATERIALS) do
 	minetest.register_craft({
 		output = "3d_armor:helmet_"..k,
diff --git a/3d_armor/textures/3d_armor_boots_crystal.png b/3d_armor/textures/3d_armor_boots_crystal.png
new file mode 100644
index 0000000..50bbf20
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diff --git a/3d_armor/textures/3d_armor_boots_crystal_preview.png b/3d_armor/textures/3d_armor_boots_crystal_preview.png
new file mode 100644
index 0000000..a3ab7d1
Binary files /dev/null and b/3d_armor/textures/3d_armor_boots_crystal_preview.png differ
diff --git a/3d_armor/textures/3d_armor_chestplate_crystal.png b/3d_armor/textures/3d_armor_chestplate_crystal.png
new file mode 100644
index 0000000..e36aa49
Binary files /dev/null and b/3d_armor/textures/3d_armor_chestplate_crystal.png differ
diff --git a/3d_armor/textures/3d_armor_chestplate_crystal_preview.png b/3d_armor/textures/3d_armor_chestplate_crystal_preview.png
new file mode 100644
index 0000000..c43015c
Binary files /dev/null and b/3d_armor/textures/3d_armor_chestplate_crystal_preview.png differ
diff --git a/3d_armor/textures/3d_armor_helmet_crystal.png b/3d_armor/textures/3d_armor_helmet_crystal.png
new file mode 100644
index 0000000..c323e94
Binary files /dev/null and b/3d_armor/textures/3d_armor_helmet_crystal.png differ
diff --git a/3d_armor/textures/3d_armor_helmet_crystal_preview.png b/3d_armor/textures/3d_armor_helmet_crystal_preview.png
new file mode 100644
index 0000000..451a15d
Binary files /dev/null and b/3d_armor/textures/3d_armor_helmet_crystal_preview.png differ
diff --git a/3d_armor/textures/3d_armor_inv_boots_crystal.png b/3d_armor/textures/3d_armor_inv_boots_crystal.png
new file mode 100644
index 0000000..5709a17
Binary files /dev/null and b/3d_armor/textures/3d_armor_inv_boots_crystal.png differ
diff --git a/3d_armor/textures/3d_armor_inv_chestplate_crystal.png b/3d_armor/textures/3d_armor_inv_chestplate_crystal.png
new file mode 100644
index 0000000..4d23066
Binary files /dev/null and b/3d_armor/textures/3d_armor_inv_chestplate_crystal.png differ
diff --git a/3d_armor/textures/3d_armor_inv_helmet_crystal.png b/3d_armor/textures/3d_armor_inv_helmet_crystal.png
new file mode 100644
index 0000000..8a29eec
Binary files /dev/null and b/3d_armor/textures/3d_armor_inv_helmet_crystal.png differ
diff --git a/3d_armor/textures/3d_armor_inv_leggings_crystal.png b/3d_armor/textures/3d_armor_inv_leggings_crystal.png
new file mode 100644
index 0000000..5b3f703
Binary files /dev/null and b/3d_armor/textures/3d_armor_inv_leggings_crystal.png differ
diff --git a/3d_armor/textures/3d_armor_leggings_crystal.png b/3d_armor/textures/3d_armor_leggings_crystal.png
new file mode 100644
index 0000000..cc61390
Binary files /dev/null and b/3d_armor/textures/3d_armor_leggings_crystal.png differ
diff --git a/3d_armor/textures/3d_armor_leggings_crystal_preview.png b/3d_armor/textures/3d_armor_leggings_crystal_preview.png
new file mode 100644
index 0000000..559d008
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diff --git a/README.md b/README.md
index 9f02380..58c39a3 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,10 @@ Armor takes damage when a player is hurt, however, many armor items offer a 'sta
 percentage chance of restoring the lost health points. Overall armor level is boosted by 10%
 when wearing a full matching set (helmet, chestplate, leggings and boots of the same material)
 
+Fire protection has been added by TenPlus1 and in use when ethereal mod is found and crystal
+armor has been enabled.  each piece of armor offers 1 fire protection, level 1 protects
+against torches, level 2 against crystal spikes, 3 for fire and 5 protects when in lava.
+
 Compatible with player skins [skins] by Zeg9 and Player Textures [player_textures] by PilzAdam
 and [simple_skins] by TenPlus1.
 
diff --git a/shields/crafting_guide.txt b/shields/crafting_guide.txt
index 445837e..9b61dde 100644
--- a/shields/crafting_guide.txt
+++ b/shields/crafting_guide.txt
@@ -15,6 +15,8 @@ Shields -- Crafting Guide
 [shields:shield_bronze] X = [default:bronze_ingot]
 [shields:shield_diamond] X = [default:diamond]
 [shields:shield_gold] X = [default:gold_ingot]
+[shields:shield_mithril] X = [moreores:mithril_ingot]
+[shields:shield_crystal] X = [ethereal:crystal_ingot]
 
 Enhanced Shields
 ----------------
diff --git a/shields/init.lua b/shields/init.lua
index 2bc3019..b7e4340 100644
--- a/shields/init.lua
+++ b/shields/init.lua
@@ -100,6 +100,15 @@ if ARMOR_MATERIALS.mithril then
 	})
 end
 
+if ARMOR_MATERIALS.crystal then
+	minetest.register_tool("shields:shield_crystal", {
+		description = "Crystal Shield",
+		inventory_image = "shields_inv_shield_crystal.png",
+		groups = {armor_shield=15, armor_heal=12, armor_use=50, armor_fire=1},
+		wear = 0,
+	})
+end
+
 for k, v in pairs(ARMOR_MATERIALS) do
 	minetest.register_craft({
 		output = "shields:shield_"..k,
diff --git a/shields/textures/shields_inv_shield_crystal.png b/shields/textures/shields_inv_shield_crystal.png
new file mode 100644
index 0000000..1ec1981
Binary files /dev/null and b/shields/textures/shields_inv_shield_crystal.png differ
diff --git a/shields/textures/shields_shield_crystal.png b/shields/textures/shields_shield_crystal.png
new file mode 100644
index 0000000..888bc5a
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diff --git a/shields/textures/shields_shield_crystal_preview.png b/shields/textures/shields_shield_crystal_preview.png
new file mode 100644
index 0000000..299776f
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