By A Mystery Man Writer
Kanzenshuu provides the back history, context, and facts surrounding Goku's supposed usage of Kaiō-Ken X100 in Dragon Ball Z Movie 4 against Slug
Dragon Ball: Field Notes on Some Shit Everyone Loves!
Can Goku use Kaioken X100? - Quora
What do you think would happen if Goku went Kaioken x100? - Quora
Rumor Guide - Kanzenshuu
Rumor Guide - Goku Uses Kaiō-Ken x100 in DBZ Movie 4
Does Goku use Kaio-Ken x100 against Slug? : r/dragonball
Is it possible for a Super Saiyan 4 to use Kaio-ken like Super Saiyan Blue can? - Quora
The Kaio Ken Explained
Are the three stages of the Dragon Ball Super manga's Super Saiyan Blue Canon or non-Canon? - Quora
New Rumor Guide Addition: Kaiō-Ken x100 in DBZ Movie 4