In JoJo’s Bizarre Adventure: All-Star Battle R, Diavolo is a top-tier punisher, with optimal, corner-based, and meter-intensive combos capable of dealing over 600 damage. His devastating output is driven by mode-swapping between Stand-Off and Stand-On for high-damage extensions and utilizing his 504-damage counter Great Heat Attack, "Pinnacle of Eternity". For a complete guide, read the DualShockers article.
JoJo's All-Star Battle R: How To Play Diavolo - DualShockers Highest Damage Diavolo Combo Yet? | JOJO ASBR