You will sometimes be given the opportunity to do some repeatable tasks, not quests. Like finding a red brotherhood hideout or being given the chance to find hidden loot in Rane or Valonbray.

引用自 Sack Lunch：

You will sometimes be given the opportunity to do some repeatable tasks, not quests. Like finding a red brotherhood hideout or being given the chance to find hidden loot in Rane or Valonbray.

Ok thnaks

It also has chances to summon those rare armies onto the maps. SO make sure to ask for rumors whenever you get to a town