How did Vegeta really achieved Super Saiyan 2?

I stand by my battered and bruised theory that as it is stated in the manga the requirement for Majinization is an evil heart. Babidi merely pondered that perhaps it was Vegeta's pride that gave him

Strengthened Super Saiyan 2, Wiki

Seeing how goku and vegeta were dead equals in ss2, could vegeta have also become a ss3 if he knew how it's done, like gotenks. : r/Dragonballsuper

How did Vegeta achieve Super Saiyan Blue ２? — Steemit

Dragon Ball Z: Kakarot Reveals How Vegeta Officially Achieved Super Saiyan God

vegeta super saiyan 2 by mikanotes on DeviantArt

Vegeta, PERFECT POWER LEVEL LIST Wiki

A Father's Rage! Super Saiyan 2 Vegeta VS Cell! [OC] : r/dbz

Was Vegeta able to turn SSJ2 before he was under Babadi's spell? - Quora

All Dragon Ball Saiyan Transformation In Order - Crunchyroll News

Why did Goku say that he and Majin Vegeta were evenly matched when he never used his SSJ3 transformation? - Quora