True Bond

Feats

At 20th level, whenever the bladebound magus hits the target with corrosive touch, force punch, frigid touch, shocking grasp, or vampiric touch, the black blade deals an additional 5d6 acid, force, cold, electricity, or unholy damage respectively with its next hit. The magus automatically grants his combat feats to the released black blade. The duration of changeable gist is increased to 1 minute.