For the As the Dust Settles challenge, you're required to reach a number of milestones, such as 25 Infestations, or 10 Agility encounters, but the challenge doesn't seem to keep these numbers between realms, or after logoff in Offline mode.
Mode | Offline |
Impact | It's difficult to play or progress |
Category Tags | Quests |
Realm [Biome/Major] | Occurs in all Realms |
Minor Realm Cards | None |