First players to reach X total XP:

100,000,000	Skys Of	September 22, 2015	See rest
200,000,000	Skys Of	July 12, 2017	See rest
300,000,000	Skys Of	March 7, 2019	See rest
400,000,000	Skys Of	February 11, 2023	See rest
500,000,000	TBD		See rest