Universe 7's God of Destruction Realm.
Beerus was putting Lin Chen's two sons through their paces.
With Lin Chen off training on his own, Lin Luo and Taro had no one to guide them. When Beerus noticed, he had no choice but to take on the job himself.
After all, the Tournament of Power was a team battle. Though they had a powerhouse like Lin Chen to carry them, raising the contestants' average strength would improve their chances of winning, just in case.
That was what Beerus thought.
And before long, he would be applauding his own decision.
At that moment, the two brothers were attacking Whis from either side.
Against their attacks, Whis was nowhere near as relaxed as he had been when facing Son Goku and Vegeta. He came close to being hit time and again.
"Taro, you can't keep relying on ki to sense your opponent. Once an opponent has grasped god ki, you can no longer sense them that way."
"Lin Luo, don't release your Godly Aura so fiercely. You won't last in a prolonged battle!"
As the three of them practiced, Beerus stood nearby and offered pointers.
Under Beerus's guidance, Lin Luo and Taro had been improving rapidly.
Though they were brothers, they had chosen completely different paths to grow stronger.
Because Taro possessed the legendary Super Saiyan bloodline, he couldn't become a Super Saiyan God. But thanks to Whis's investigation, he had found a way to keep growing stronger.
That was the Super Saiyan 4 transformation.
Though Lin Chen hadn't had time to explain the secrets of the transformation, Whis had uncovered them.
After all, back on Earth, Mr. Satan had witnessed Lin Chen's entire transformation firsthand.
With Mr. Satan's account and Whis's deductions, they soon worked out how to transform into Super Saiyan