Complex sentence: Umagon is a Mamodo who specializes in transformation spells that can put armor around his body.Shery Belmont and Brago who was originally Zatch and Kiyo's rival in the series later becomes their allies and he has gravity type spells.
Split into simpler sentences: Umagon is a Mamodo who specializes in transformation spells that can put armor around his body. Shery (Sherie) Belmont and Brago who was originally Zatch and Kiyo's rival in the series later becomes their allies and he has gravity type spells.