First players to reach X total XP:

100,000,000	Oserk	June 11, 2018	See rest
200,000,000	Oserk	May 12, 2021	See rest
300,000,000	Oserk	May 12, 2022	See rest
400,000,000	Oserk	September 3, 2024	See rest
500,000,000	TBD		See rest