Renji is quite dynamic, as his personality varies from smug and cocky before a fight, to then disquieted and depressed after a major defeat, but shows himself to be an incredibly serious and determined fighter when confronted with an actual threat. Willing to fight, kill, and die for whatever he believes in, Renji is a dangerous man to those who stand in his way, especially in regards to how close he is with his fellow childhood friend, Rukia Kuchiki. Yasutora Sado compares his fighting style to