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

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

Dragon Ball: 10 Things Fans Need To Know About Super Saiyan 2

Did Vegeta master Super Saiyan 1? • Kanzenshuu

Super Saiyan Evolution: 25 Powerful Secrets About Vegeta's New Transformation

Vegeta

Dragon Ball: Every Vegeta Transformation Ranked From Weakest To Strongest

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

Did Goku And Vegeta EVER Master Super Saiyan 2?

When does Goku go Super Saiyan 2? - Dragon Ball Guru

S.h. Figuarts Super Saiyan Vegeta: Awakened Super Saiyan Blood Action Figure : Target

How does Goku transform into a Super Saiyan 2 for the first time and how does he train to be able to transform? - Quora

Dragon Ball Z: When Did Vegeta First Become A Super Saiyan?

Can Super Saiyan 3 Goku and Vegeta beat Super Saiyan 2 Gogeta? - Quora