Black Cat Mutant (18) - A black cat monster. It can turn into a black cat, turn invisible, attack with its claws, and emit a blinding light from its eyes. Black Cat Mutant accompanied Bilgenia into luring Kamen Rider BLACK into a trap. Black Cat Mutant's weakness is its eyes. Kamen Rider BLACK used his Rider Punch on Black Cat Mutant before Bilgenia killed the unforchenet soul with one of his sword attacks.