Reality Rimuru can't knock Saitama down and kill Saitama because God gave half of his power to Saitama and to cosmic garou too that why IF SAITAMA PUNCH RIMURU,RIMURU IS ALREADY DEAD
Si es saitama tierra 2 con firmo que saitama ni rimuras se puede aser daño 1 es que saitama tiene el cuepo de masiado resitente y el otro rimuras y su anti daño
All of you watch first the That time I got reincarnated as slime even its LN so that you will not be embarrassed, Rimuru's Imaginary space is boundless which means he can Distroyed all universes and re create at a time through Nihility colaps (Turn Null) if he wants, while saitama Is Strong by physical only, he may destroyed Earth but cannot distroyed Multiverses at a time it take Effort to distroy
he can sacerfice a skill if the punch is dangerous and gain it back even if he can dmg him rimuru is faster he has better pontential to kill than saitama