For instance, during his battle with Garou on Io, one of Jupiter's moons, he showed no adverse effects from the thin and unbreathable atmosphere there.[133] These feats, along with his exceptional resistance to cosmic radiation and superhuman endurance, suggest that Saitama has the capability ...
Self-Sustance: Saitama in his fight with Cosmic Garou,proved to be able to be in good on the moon IO, even when it has toxic gases and has no atmosphere in the vacuum of space (where there is no oxygen) Vacuum Adaptation: Saitama has considerable control over his breath. Even in oute...