Stephano Claims Treasure 17

Stephano has found Treasure 17, which has granted him a dare for Siryn! In a strange twist of fate, Stephano has wished for Banshee to take on a mutated form, and the only way to reverse it is to fight the Powerpuff Girls!

Although Banshee and Siryn are in debt to the Powerpuff Girls for saving them from their estranged father HIM, Siryn knows she can't remain in this mutant form forever, so they have no choice but to go after the girls...

Here is a video of the battle. [link]