Question: can rolycoly have flame body?
Answer: Flame Body Ability The Pokemon you want is either Carkol or Coalossal. If you have a Rolycoly you can evolve that into a Carkol which evolves into a Coalossal. These can be found in Bridge Field (Wild Area), Galar Mine, Giant's Cap (Wild Area), Stony Wilderness (Wild Area), or in Max Raid Battles.