update immortal bottle node and texture

bottles.lua

@@ -184,10 +184,10 @@ minetest.register_node("magical_potion:speed", {
 })
 
 minetest.register_node("magical_potion:immortal", {
-	description = "Small bottle of immortal",
+	description = "Bottle of immortal",
 	drawtype = "plantlike",
-	tiles = {"immortal_bottle_small.png"},
-	wield_image = "immortal_bottle_small.png",
+	tiles = {"immortal_bottle.png"},
+	wield_image = "immortal_bottle.png",
 	paramtype = "light",
 	is_ground_content = false,
 	walkable = false,
@@ -198,9 +198,9 @@ minetest.register_node("magical_potion:immortal", {
 	},
 	groups = {vessel=1,dig_immediate=3,attached_node=1, potion=1},
 	sounds = default.node_sound_glass_defaults(),
-	inventory_image = "immortal_bottle_small.png",
+	inventory_image = "immortal_bottle.png",
 	on_use = function(itemstack, player)
-	playereffects.apply_effect_type("immortal_bottle", 5, player)
+	playereffects.apply_effect_type("immortal_bottle", 120, player)
 	if minetest.get_modpath("vessels") then
         player:get_inventory():add_item("main", "vessels:glass_bottle")
     end