Make a pocket dimension that exists outside the existence that Sukuna and other sorcerers live in.
Sukuna can cut the universe as much as he wants but the laws of his universal cleave don't apply to the pocket dimension.
It would be like trying to cut the moon by slashing its reflection on a puddle of water.
Sukuna can cut the universe as much as he wants but the laws of his universal cleave don't apply to the pocket dimension.
It would be like trying to cut the moon by slashing its reflection on a puddle of water.