The Kaio-Ken was first taught to Goku by King Kai in the other world. The move gives Goku a direct boost to power, speed, and ...

However, in Dragon Ball Z, Goku actually combines Kaioken and Super Saiyan, and creates Super Kaioken, but this technique is not canon in the manga.

MANY think they know the reason Why Goku Stopped Using Kaioken, but there's a hidden clue in the manga!

Focuses of the set include Goku vs. Vegeta from the Saiyan Saga, Gohan vs. Turles from the Dragon Ball Z film Tree of Might, Goku and his sons vs. Broly from the film Broly: Second Coming, and ...

Vegeta won. Read More: Everything We Loved About Dragon Ball Super: Super Hero While many fans consider this to be the first time Goku has lost to Vegeta, it’s actually the opposite.

To make up for the difference in strength, Goku awakened the Kaioken power-up on top of Super Saiyan Blue, adding a 10x multiplier to his overall strength which allowed him to overcome Hit's timeskip.

The debate got ugly at times, but if you ask the official Dragon Ball website, the truth lies in the middle. According to the website, Jiren did face off with Super Saiyan Blue Goku using Kaio-ken.

– Piccolo, Dragon Ball Z Episode 183 Piccolo’s points ring true to Goku as the Saiyan begins to realize that his son is far more human and much less combat-oriented than him.

Focuses of the set include Goku vs. Vegeta from the Saiyan Saga, Gohan vs. Turles from the Dragon Ball Z film Tree of Might, Goku and his sons vs. Broly from the film Broly: Second Coming, and ...