diff --git a/mods/blueprint/init.lua b/mods/blueprint/init.lua
index 1b98684..ad29c22 100644
--- a/mods/blueprint/init.lua
+++ b/mods/blueprint/init.lua
@@ -24,7 +24,10 @@ minetest.register_craftitem("blueprint:empty", {
 	description = "Empty Blueprint",
 	inventory_image = "blueprint_empty.png",
 	on_place = function(itemstack, placer, pointed_thing)
-		itemstack:set_name(blueprint.all[math.random(#blueprint.all)])
+		placer:get_inventory():add_item("main", blueprint.all[math.random(#blueprint.all)])
+		itemstack:take_item()
 		return itemstack
 	end
 })
+
+table.insert(default.treasure_chest_items, "blueprint:empty")
diff --git a/mods/classes/skills.lua b/mods/classes/skills.lua
index a121422..33f9634 100644
--- a/mods/classes/skills.lua
+++ b/mods/classes/skills.lua
@@ -4,7 +4,7 @@ classes.skills.all = {}
 function classes.skills.register_skill(name, def)
 	minetest.register_craftitem("classes:skill_" .. name, {
 		description = def.description,
-		inventory_image = def.inventory_image,
+		inventory_image = def.img,
 		class = def.class,
 		on_use = function(itemstack, user, pointed_thing)
 			if user == nil then return end
@@ -30,6 +30,67 @@ minetest.register_craftitem("classes:skill_book", {
 	inventory_image = "classes_skills_book.png",
 	on_use = function(itemstack, user, pointed_thing)
 		if user == nil then return end
-		
+		user:get_inventory():add_item("main", classes.skills.all[math.random(#classes.skills.all)])
+		itemstack:take_item()
+		return itemstack
 	end
 })
+table.insert(default.treasure_chest_items, "classes:skill_book")
+
+classes.skills.register_skill("super_jump", {
+	description = "Super Jump\nLevel: 15\nClass: thief\nTime: 7.0\nEffect: gravity = 0.1",
+	img = "classes_skills_super_jump.png",
+	class = "thief",
+	lvl = 15,
+	on_use = function(itemstack, user, pointed_thing)
+		user:set_physics_override({
+			gravity = 0.1,
+		})
+		cmsg.push_message_player(user, "[skill] + super jump")
+		
+		minetest.after(7.0, function(player)
+			if not player or not player:is_player() then
+				return
+			end
+			player:set_physics_override({
+				gravity = 1,
+			})
+			cmsg.push_message_player(player, "[skill] - super jump")
+		end, user)
+	end
+})
+
+classes.skills.register_skill("lift", {
+	description = "Lift\nLevel: 25\nClass: thief\nTime: 2.0\nEffect: gravity = -0.5",
+	img = "classes_skills_smooth_fall.png",
+	class = "thief",
+	lvl = 25,
+	on_use = function(itemstack, user, pointed_thing)
+		user:set_physics_override({
+			gravity = -0.5,
+		})
+		cmsg.push_message_player(user, "[skill] + lift")
+		
+		minetest.after(2.0, function(player)
+			if not player or not player:is_player() then
+				return
+			end
+			player:set_physics_override({
+				gravity = 1,
+			})
+			cmsg.push_message_player(player, "[skill] - lift")
+		end, user)
+	end
+})
+
+classes.skills.register_skill("heal", {
+	description = "Heal\nLevel: 13\nClass: farmer\nEffect: hp + 4",
+	img = "classes_skills_heal.png",
+	class = "farmer",
+	lvl = 13,
+	on_use = function(itemstack, user, pointed_thing)
+		user:set_hp(user:get_hp()+4)
+		cmsg.push_message_player(user, "[skill][hp] + 4")
+	end
+})
+
diff --git a/mods/classes/textures/classes_skills_grow.png b/mods/classes/textures/classes_skills_grow.png
new file mode 100644
index 0000000..d63946f
Binary files /dev/null and b/mods/classes/textures/classes_skills_grow.png differ
diff --git a/mods/classes/textures/classes_skills_heal.png b/mods/classes/textures/classes_skills_heal.png
new file mode 100644
index 0000000..5c688b5
Binary files /dev/null and b/mods/classes/textures/classes_skills_heal.png differ
diff --git a/mods/classes/textures/classes_skills_smooth_fall.png b/mods/classes/textures/classes_skills_smooth_fall.png
new file mode 100644
index 0000000..e238429
Binary files /dev/null and b/mods/classes/textures/classes_skills_smooth_fall.png differ
diff --git a/mods/classes/textures/classes_skills_super_jump.png b/mods/classes/textures/classes_skills_super_jump.png
new file mode 100644
index 0000000..b165277
Binary files /dev/null and b/mods/classes/textures/classes_skills_super_jump.png differ
diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 4dfe077..c404a4b 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -168,6 +168,7 @@ minetest.register_node("default:box", {
 
 })
 
+default.treasure_chest_items = {"default:dirt", "default:sand", "default:stone_item", "default:coin", "default:coal_lump", "default:wood"}
 minetest.register_node("default:treasure_chest", {
 	description = "Treasure Chest",
 	tiles = {"default_treasure_chest.png"},
@@ -177,10 +178,10 @@ minetest.register_node("default:treasure_chest", {
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
 		inv:set_size("main", 8*4)
-		local items = {"default:dirt", "default:sand", "default:iron_lump", "default:stone_item", "default:coin", "default:gold_lump", "default:coal_lump"}
-		local item = items[math.random(5)]
+		local items = default.treasure_chest_items
+		local item = items[math.random(#items)]
 		inv:add_item("main", {name = item, count = math.random(2,10)})
-		local item = items[math.random(5)]
+		local item = items[math.random(#items)]
 		inv:add_item("main", {name = item, count = math.random(2,10)})
 	end,
 	after_dig_node = function(pos, oldnode, oldmetadata, digger)