(Nether) Lava Dungeon

It's Lava dungeon: there are a lot of rooms filled with lava,,and few chests with netherite scrap and other stuff.To clear lava you need nether sponge it's made from normal sponge,4 basalt and 4 obsidian.It will clean lava and will turn to used nether sponge, to make it "not used" again you need 4 blocks of ice.Also it will be a new mob "obsidian guardian" it will be just a statue, but if you enter lava dungeon it will start to attack you.If you kill it, it'll drop obsidian or crying obsidian.