Goku's Super Saiyan Rosé 3 is one of the best looking transformations in Dragon Ball but Toyotaro might never make it canon power-up.

Only Goku has mastered Kaioken, using up to x20 but never combining it with Super Saiyan. Combining Kaioken with SSJ is risky due to the emotional stress of SSJ affecting ki control. Kaioken is ...