What if Goku mastered SSJ3 to the point where it didn't consume

Can Goku learn to go Super Saiyan Blue 2 or 3? - Quora

In Dragon Ball Super, can Super Saiyan God be mastered? - Quora

Did Goku waste his time by achieving super saiyan 3 in the 7 years of training in otherworld? - Quora

What if Goku had fully mastered SSJ3, taught Vegeta how to do the same, and the two had made absolutely certain to prepare adequately and further improve their control over god ki

Why doesn't Goku use SSJ3 if he mastered it? - Quora

Why couldn't Goku master SSJ3? - Quora

What if Goku mastered SSJ3 to the point where it didn't consume tons of energy? - Yonathan and Friends - Quora

Why is Super Saiyan 3 Goku so useless? - Quora

Why was it easier for Goku to go SSJ3 in heaven than in Earth's dimension? - Quora

Do future trunks (from DBS anime) need Super Saiyan Grade 3 to transform into Super Saiyan Rage? - Quora