Question: is ash's rowlet going to evolve?
Answer: November 19, 2018 Iggy 9 Comments. In the Pokemon Sun & Moon anime, Ash has an adorable Rowlet who loves to sleep in his backpack. ... In a recent episode, Ash's Rowlet was seen with an Everstone, an item that prevents a Pokemon from evolving. This is a declaration that Rowlet will never evolve in the anime.