Account-wide progression that never stops nagging: pet growth, Empyrean Traces, collectible completion — the long-tail systems handled on schedule.
Every MMO hides part of its power budget in systems nobody feels like doing, and in Aion 2 that is the collection layer: pet growth, Empyrean Traces and the collectible progression that accumulates account value one small task at a time. None of it is difficult — all of it is long, and the payoff arrives in increments too small to feel urgent on any given evening.
These services exist for exactly that shape of content: defined scope, scheduled execution, permanent result. Everything is done on your character through normal play, with progress reports along the way.