After u decided to go a cake for Puro,u add abit of muscle latex in it so he can grow bigger and stronger. Because,even tho Puro was a big friendly black latex beast,theres always room for improvement.Later,u decide to give Puro and offered.He delighted devoured it in mins.Seconds later he grew tall to 10ft and he had very tall muscles,he was also alot fluffy to.Even his chest area was,rather large.He had his paws up confused.”Human,what did u did to me?”