Unknown Darkness is A.B.A's only known Instant Kill, which first appeared in Guilty Gear XX Slash.

During the attack, A.B.A loosens her bandages and then thrusts her hands to the ground. This knocks down the opponent while Paracelsus ascends and a huge gate is thrust up from the ground that sucks in the opponent. After the gate closes, Paracelsus descends and slices the gate in half.

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