Regrets of the Dreadwolf is a lengthy side quest in Dragon Age: The Veilguard, but it's also one of its best, as it reveals a lot of major details about past Dragon Age mysteries.

The Veilguard answers many questions but Solas' actions may continue to reverberate far into the future with unexpected consequences.

The Veilguard's best side quests arguably should have been a main story quest, due to what it reveals about the game's antagonist.