Goku achieves the remarkable Ultra Instinct state in Dragon Ball Z, a heightened form where his body operates purely on instinct, surpassing conscious thought. This transformation endows him unparalleled speed and reflexes, enabling him to effortlessly navigate and counter opponents. The pinnacle of his power in this form is manifested through the "Ultra Instinct Kamehameha," a devastating energy wave that fuses the iconic Kamehameha with the immense power and precision granted by Ultra Instinct

Never giving up stronge warrior.Goku UI. 

Saitama's one-million-year training in One Punch Man transforms him into an unparalleled force. His strongest move is the "Meteoric Burst," an explosive punch that channels the cumulative power of his exhaustive training, obliterating any opponent in a single strike. Also zero punch and big bang punch