WARNING: The following contains spoilers for Dragon Ball Super Chapter 69, by Akira Toriyama, Toyotarou, Caleb Cook and Brandon Bovia, available now in English from Viz Media.
In Dragon Ball Super Chapter 68, Beerus revealed to Vegeta that there was an alternative to Ultra Instinct that the Saiyan Prince -- who seems unlikely to learn the divine ability -- could eventually master. Now, Dragon Ball Super Chapter 69 has revealed just what learning that technique will entail while proving Beerus is a brutal teacher.
After leading Vegeta away from Whis and Goku -- who are training elsewhere on the God of Destruction's world -- Beerus questions the Saiyan Prince about his role in destroying planets at Freeza's behest. A melancholic Vegeta soon agrees with the idea that it was "the Saiyans' destiny to be wiped out." However, this angers Beerus, who demonstrates his power by destroying a small decorative planet.
Beerus then attacks Vegeta after the Saiyan Prince asks how he can become that powerful. As he assails Vegeta, Beerus says, "As long as doubt weighs down your soul, this power'll never be yours to wield [...] Your own crimes aside, you're feeling guilty for the sins of all Saiyans. That's awfully self-centered of you, mortal." To further provoke Vegeta, Beerus then reveals that he's the one who told Freeza to eliminate the Saiyans, which causes the hot-headed prince to attack the God of Destruction. However, Vegeta's efforts prove futile.
After easily defeating Vegeta, Beerus explains, "My mind's always on destruction and nothing else. That's why there's no limit to my power. Listen. If you really want this power, you're gonna have to destroy any stray thoughts and recreated yourself from scratch. Before creation comes destruction."
Dragon Ball Super Chapter 69 makes Beerus' philosophy clear: Keep moving forward and don't regret what you do. Beerus' focus on destruction allows him access to a potentially limitless pool of power, and Vegeta will be able to tap into that same strength if he follows his new teacher's example. This might also open him up to eventually becoming a God of Destruction himself, which has been a prominent Dragon Ball Super fan theory for some time.
While moving past the things he's suffered and done will be hard for Vegeta, this gives him a definite way forward that will allow him to fight against any potential villains -- or even Goku -- on his own terms. The past coming back to haunt Vegeta is also certain to be a major theme of Dragon Ball Super's current arc, "Granolah the Survivor Saga." Granolah, the arc's titular Cerealian, lost his people to Freeza and the Saiyans, and he's angling to get revenge on those who have wronged him. As such, Vegeta may very well have to overcome a literal manifestation of the sins of Saiyans past to move into the future.
Dragon Ball Super Chapter 70 releases March 19.