For this question, I am asking for the maximum HP possible.
With a 20th level character and 20's across the board in stats, what's the max?
Magic items and outside assistance is allowed.
Playable races, spells, etc. from Unearthed Arcana is not.
No usage of Wish. It's too easy of an answer.
Reliance on incredible luck, such as needing a specific effect on the Wild Magic Surge table, is not allowed unless you can circumvent it with wild shenanigans.
Permanent max HP is the main goal.
I'm surprised I haven't seen this question yet, which is why I am asking it now! Credit to the highest AC a…