Kaioken increases power but poses risks like exhaustion due to intense ki control. Only Goku has mastered Kaioken, using up to x20 but never combining it with Super Saiyan. Combining Kaioken with ...

Dragon Ball Daima has come to an end with the full canonical debut of Goku’s new Super Saiyan 4 form, but it’s funny in retrospect looking back on all of the times he could have used it but ...

King Kai taught Goku both Kaioken and the Spirit Bomb, which became his signature for a while. Kaioken is extensively explored in DBZ before Goku turns into Super Saiyan.