*This tough and mysterious female ninja has ties to both Shredder and Splinter. But when Shredder devises a snake mutagen—hoping to mutate the Turtles into rat-eating reptiles that will destroy Splinter—Karai's life takes a drastic turn. Shredder accidentally knocks her into the Ooze and she mutates into a swift, three-headed serpent. Karai goes on a rampage, stopping herself just before killing Splinter. Her impressive control allows her to mutate back and forth between snake and human form. Figure comes with removable serpent head. *Source: playmatestoys.com