..........Its simply old school (discarded) randomized lvling up.
And also "lvl limits" unlocks. (achievement/quest/dungeon to beat or get)
But basically, your idea is true, but already done, and no longer used.
And also "lvl limits" unlocks. (achievement/quest/dungeon to beat or get)
But basically, your idea is true, but already done, and no longer used.
And having level gate that requires clearing quests in order to level up like how cultivators did.