Mark Grayson (Invincible TV Show) is isekai'd to a different universe. What's the weakest universe you can send him to, where he can become strong enough to beat Thragg?
If you're going to use comic spoilers as a rough benchmark, please use spoilers. I'm tv show only, but I am vaguely aware of how things shake up. And if there are different feats from where the show is compared to where it was in the comic, let's use show feats.
Mark, at the very end of Invincible season 4, is isekai'd to a different fictional universe of your choosing.
After a period of 1 year Mark will return to his home universe, and must 1v1 fight Thragg, and win more than 5/10 times.
What's the "weakest" universe you can send him to?
Ideally, the universe/setting would be weak enough where the majority of its denizens cannot compete with the Invincible verse, but has enough buffs and hax that can improve Mark to the point of being able to fight Thragg.
Rules:
A) Mark cannot bring back any equipment to his home universe. Any buffs that Mark gets must be alterations of his very person, some sort of skill, a new power that can be obtained by other people in the verse, etc.
B) Mark can extend his training time if the universe he goes to has in-house time extension as a feature. A la the Hyperbolic Time Chamber. But ideally, it shouldn't be an infinite timespan where Mark can just train literally forever.
C) Mark has to be able to survive in the verse for the full 1 year, making friends and enemies as he normally would. This shouldn't be that hard, he is after all [TITLE CARD]. But sending him to the Xeelee Sequence verse or something will probably just get him killed.
Where do you send Mark, and what buffs can he possibly obtain that he can solo Thragg?