Press space or click on stage. I know that the transformation words Howll Paws Out! sounds a lot like Plagg Claws Out! but this was the best I could come up with.
The images are from google I don't have gacha life but I edited them for the heroes. First: https://scratch.mit.edu/projects/427511346/ Previous: https://scratch.mit.edu/projects/427514009/ Next: https://scratch.mit.edu/projects/428293657/
