Rolith proposed to his girlfriend Alina IN-GAME, using their NPCs, and Alina responded WITH A QUEST. Doubles as a Crowning Moment of Awesome.
Sepulchure, of all people, gets one, when he blasts Grams away to prevent her from escaping with his daughter.
The people of Amityvale adopting the dracolich babies at the end of the Amityvillain quest chain.
While entering Xan's lair in Chapter 2, you can find a portrait of Jaania in one of the rooms, along with a elemental bouquet under it, showing he still cared for her, at least, for a while.
When the Hero asks Tomix if there was at least one good event in his life during the Book 3 Ravenloss quest chain, he replies, "You."
The 'Pirate Booty' quest final cutscene shows captain Mazurek holding a familiar silver necklace with purple/violet pendant. She still remembers Tomix even after his death.
In Book 3, Verlyrus the Boxcat sends the Hero off to do quests that involves hir bringing food to the cat. During the quest "Food for Thought", the Hero takes a bag of fish with hir to attend a dinner party Verlyrus is having in a cave. While it is sad the villagers of Amityvale can no longer keep their pet undead dracoliches with the Rose's presence in town, it is great to see someone is still taking care of them after all of these years. Verylyrus has been such a good parent that the dracoliches are mimicking the behavior of cats, such as meowing to communicate!