Obsidian raft

Obsidian raft is totally unique and totally useless item in andac universe. It can be bought in the Main Mall for 200 coins. And it can be used only for drifting in lava oceans on the other planets or in the hell. The pluses that it very hard to drown this raft, and it can't be damaged with usual things such as arrows, bullets and etc. The minus of the raft is that he can't be used on usual, standart Water, because it will drown instantly.

note: the author knows that obsidian is weak material, we are just giving a respect to Minecraft physics