Kulta

Kulta, a.k.a the Skull Grinder, is the leader of the skeleton army.

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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.