Power Absorption

Power Absorption is the power to the absorb the powers of others, rendering them utterly powerless.

Activation
Witches and warlocks that possesses this power are able to steal the powers of other witches and warlocks, rendering them utterly powerless. Their powers could come back if the witch or warlock who stole their powers is attacked with a spell, powers, or killed.

King Nikolaus
King Nikolaus stole Ingrid's powers.