In truth, once Bai Ye defeated Boros, he could have used an Illusion Technique to control him outright, just as he had done with Vaccine Man.
But he still decided to ask Boros what he wanted first, as a gesture of respect.
If Boros was willing to accept, it would not be too late to take control of him afterward.
If Boros resisted, however, Bai Ye would have to force it on him...
After all, keeping Boros alive without controlling him would leave a potential threat. If Bai Ye did not control him, he could not let him live either.
"Though submitting to someone else is a disgrace for the Ruler of the Universe, you gave me this life. I have no room to refuse, do I?"
Boros understood his current situation perfectly.
Bai Ye could kill him once, and naturally, he could kill him a second time.
Though he no longer cared whether he lived or died, since Bai Ye had given him this life, he could not refuse, willing or not.
If he had to be honest, he certainly was not willing.
Having to bow to another as the Ruler of the Universe was more painful than being killed.
Then Bai Ye added, "Or perhaps I should put it another way. Aside from requiring you not to harm humans, I won't place any restrictions on you. This is just insurance. I won't force you or order you to do anything. We'll still be equals."
With that, Bai Ye held out his hand to Boros.
"...I understand."
That made it much easier for Boros to accept.
He had no way to refuse in the first place...
Boros reached out as well and shook Bai Ye's hand.
"From now on, we'll call each other companions, not superior and subordinate."
Bai