From all the opponents the Caped Baldy had ever faced throughout the series, Cosmic Garou was the strongest, but even then, Saitama's growth far eclipsed that of his foe, forcing Garou to retreat ...

While Boros is still considered one of the strongest enemies faced by Saitama, his amazing feats are still outshined by Cosmic Garou, who fought on equal ground with Saitama and brought more ...