theeboredone
Smash Legend
I think with the Spirit Bomb, you needed a pure heart, but it was never mentioned about Kaio-Ken. Just that it put a huge strain on your body. However, given that Goku went up to x20, I'm sure those three could have handled x5 at least.
And I didn't read the manga, but in the anime, he was already in a fighter's stance before they grabbed him.
And I didn't read the manga, but in the anime, he was already in a fighter's stance before they grabbed him.