Vegeta shockingly refuses to train. Bulma is heavily pregnant with their second child (Bulla/Bra), and Vegeta refuses to leave her side, showcasing massive character growth.
Goku travels to Beerus' planet to train with Whis. While there, Goku remembers the promise made by Grand Zeno to hold a tournament between all the universes. Dragon Ball Super (Dub) Episode 77
Beerus and Whis strictly warn Goku not to remind Grand Zeno, fearing the Omni-King's unpredictable and catastrophic nature. Goku ignores them and presses the Zeno button to visit the palace. Vegeta shockingly refuses to train
Feeling that his skills are growing rusty, Goku leaves his farm work behind to find a training partner. After a brief spar with Goten, he seeks out Vegeta. he seeks out Vegeta.