Izuku was first seen using it to defeat a group of villains on the water, during the Unforeseen Simulation Joint Arc. Izuku powers up his finger to create a powerful shock wave with a flick. He later uses it in his fight against Shoto Todoroki during the Sports Festival Arc.
- 1,000,000% Delaware Detroit Smash: Izuku uses One For All 100% that is also boosted by his adrenaline and delivers a powerful smack with incredible force that blasts the opponent away. This 100% adrenaline-enhanced move is powerful enough to overpower Muscular's Muscle Augmentation and incapacitate him.