The Ki allowed Goku to have greater control over his Super Saiyan Blue form, which he is then able to merge with his Kaioken form. Interestingly, viewers see Vegeta achieve the same thing much ...

However, in the manga, he only uses Blue Kaioken and, since Toriyama was involved in Super's manga, fans speculate that he never wanted Goku to mix Kaioken and SSJ, except for SSJ Blue. For this ...

With the anime creating this Kaioken technique, they did a worthy job of explaining just why Goku could use it in Blue but not in the traditional Super Saiyan form, but that wasn’t enough for it ...

Before Goku achieved the iconic Super Saiyan state in his battle with Frieza, the closest thing that Goku got to a transformation is the Kaio-ken technique. Invented by King Kai and taught to Goku ...

Dragon Ball's Goku has had plenty of different forms in the years of the anime - here's all of them explained.