Summary
- Goku and Vegeta may be being groomed as successors to Beerus, and could face a final test by battling their master, Whis.
- A battle with Whis would put Goku's abilities to the test and reveal the true extent of Whis's power.
- While Goku may not become the next Destroyer, a match-up with Whis would represent the culmination of Goku's training and allow him to finally defeat one of his masters.