Pun pun can get you
exactly the cup of tea you want ...
Yeah, Omni was the first true infinity.
But Pun pun could easily hack anything Omni would do.
Assuming he'd already ascended "some" or enough, that he could do it.
LoP's argument was Omni got the Infinity, and then "Knows" (knowledge check inf)
what to do to beat Pun pun, even After his ascension.
Weird kind of stalemate in the Outer Planes, eh ??