Omni-Blade

'''This blade/sword used to be the only weapon in existence. It has all the weird/mystic/insane abilities from every sword, blade, knife, dagger, etc. fused together. It has no real shape, it is a morphing object that could turn into any sharp type of substance/weapon that the user could think of (kind of like a green lantern ring but it’s a sword and can only be sharp like weapons). It is a colorless thing in its natural state but will become any color the user wishes for. This Artifact had no real physical properties so no physical being could wield it normally, the physical beings that could are unknown. This is the weapon of the Embodiment of Creation, but she has never needed to use it; so she sealed it away inside the core of a planet.'''