Spoilers Ahead Warning!
Reached from 0.0 to 1.0
[2021/10/19 Added] Completed the game and broken endgame.
Personal best: 3d 20h 44m 5s 234ms
ALL 4 rarity heroes are at max level (99,) and the automatic XP gain stopped at around ee65 light points, but you can still get 1e100 (?) XP by manual performing infinity.