Future custom content would likely be a harder version of EverQuest
Imagine blue with extra mob placement and camps made (or implemented in empty areas)
more difficult
Perhaps a remastering of NPCs/mob placement a la:
The Legend of Zelda: Second Quest
EverQuest: Second Quest
https://en.m.wikipedia.org/wiki/The_Legend_of_Zelda
The game features a "Second Quest," accessible either upon completing the game, or by registering one's name as "ZELDA" when starting a new quest. The Second Quest features different dungeons and item placement, and more difficult enemies.[58]