Noticing the Sovereign's reaction, Rocket Raccoon realized he had said the wrong thing.
He spread his hands and said dejectedly, "Oh, damn it, I said the wrong thing again, didn't I? Sorry, I should've said it quietly..."
Before he could finish, Drax grabbed him by the collar and left the hall with Harry and the others.
Everyone returned to the spaceship. Sitting in the cockpit, Rocket Raccoon made a few quick adjustments before saying to the group, "Let's get out of here quickly and take this bald-headed Nebula back to Xandar to collect the bounty! Oh, right, Harry, don't leave yet. We've had the ingredients ready for ages, so let's start the party!"
Several hours later, the party ended. Harry reopened the Portal and sent Gwen and Wanda back to Earth, but he remained behind.
Rocket Raccoon asked curiously, "Harry, why aren't you going back to Earth with your little girlfriends?"
"I have a feeling you'll be having an interesting adventure soon, so I'm planning to travel with you for a while. You don't mind, do you?" By observing the timelines of other universes, Harry knew what the Guardians of the Galaxy would encounter in the near future.
Though every world developed differently, the broad strokes were more or less the same.
So Harry intended to travel with the Guardians of the Galaxy until they encountered Ego the Celestial.
In most timelines, Ego the Celestial was killed by the Guardians of the Galaxy. In a small number of timelines, Ego's plan to rule the universe succeeded, and he would devour Earth.
In an even smaller number of timelines, the entire universe underwent earth-shattering changes.
Leaving aside those exceedingly rare possibilities, neither of the other two outcomes was acceptable to Harry.
He could never tolerate Ego devouring Earth, nor could