He did not hesitate to save people he deemed worthy of being called Heroes, did not like killing without reason, and would even give advice to his enemies. Stain acknowledged that what he did was morally wrong but believed that for society to be put on the right path. This self-righteousness is further supported when he tells the now-retired All Might to come and end his life. He had no nose which he removed himself. He can paralyze people just by drinking their blood.