?: Is not affected by any attack
?: It's has 0 weaknesses and can't be hurt
Unmovable: it sits in an arena,its unmovable
Unbreakable : It sits in an arena,it can't be broken.
Immune: it can't be damaged at all.
It's only power is being Un-Movable and unbreakable. It's a cube that suddenly appeared,it now just sits in the middle of an arena,people have tried to move and break it but failed.It doesn't move or talk and it has no features either its just a unmovable black box.If you are able to move or break it you win,but it's impossible to break,so you cant.It has no emotions/thoughts.IT CAN'T BE BROKEN.