Narratively, Goku using the Kaio-Ken could have overshadowed Super Saiyan 4, so it makes sense why he doesn't implement it. From Goku's perspective, however, it would have given him a clear ...

The first time Goku uses Kaioken is when he fights Nappa. Actually, there are "power-up levels" of Kaioken, and, in the series, we see Goku using up to Kaioken x20. These are all the levels of ...

Akira Toriyama’s Dragon Ball has been hailed as the king of the Shonen series that has been present for four long decades. During this period, the franchise has expanded with several franchises that ...