Dragon Ball Super Episode 72

Piccolo tries to revive Goku to no avail, but Goku had fired an energy blast in the air shortly before he was killed, reviving him. Goku learns that Hit’s assassination technique is an invisible energy blast. Goku shocks Hit by being the first person to ever dodge this technique, but he is still unable to land a blow on Hit and remains at a disadvantage. Meanwhile, Champa and Vados come to see the fight. They are later joined by Vegeta, Beerus, and Whis. Vados explains how Hit is able to use his secret technique, which makes him seemingly untouchable. In the midst of the battle, Goku fires his Kamehameha attack, which proves to be powerful enough to knock out both Hit and himself. In the aftermath, Goku reveals to Vegeta, Champa, and Beerus that he had hired Hit, because he wanted to fight him at full strength, and that Whis and Vados were involved in his plan as well.