PS4 The Witch and the Hundred Knight Revival Metallia introduction trailer See the newly-playable witch in action. Nippon Ichi Software has released a new trailer for The Witch and the Hundred Knight Revival, its upcoming PlayStation 4 enhanced port of last year’s PlayStation 3 original action RPG. The trailer introduces Metallia, the game’s “Swamp Witch” who was previously announced as playable. You’ll see brief footage of her in action.Watch the trailer below. The game is due out on September 25 in Japan.