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Tear Jerker: Wyrmwick Campaign
Caitlin having to tell Dahl that his family is dead.
Denora losing her sight.
The crew returning to Wyrmwick after rescuing Caitlin, just in time for her adopted father Alpert to say good-bye before dying. Rollo T cranked up the waterworks to end the arc on a Bittersweet Ending.
Geoff dying during the battle with the High Priest, despite the team's efforts.