Kulta

Kulta, also known as the Skull Grinder or Lord of the Skulls is the leader of the Skull Creatures.

Powers and tools
Kulta can drain the power from Golden Masks, and when wielding the Mask of Creation, can defeat the six Toa in one blow.

He wields a Mask Stealer Staff, which he uses to snatch masks from his opponent's face and drain its power. He also wields a Hook Blade as a side arm.