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Bloodlust has a few — especially the ending — but the most notable arguably happens during D's negotiations for a new horse in a small town. The town sheriff and his posse — prodded into action by Leila — try to throw D out of town. The old man who owns the stables, however, dresses the sheriff down and explains why he's selling a horse to D: years earlier, D saved a group of children kidnapped by vampires from the same town, but was run out of town by the very people who hired him to do the job. When the sheriff still refuses to back down, the old man produces produces a BFG and points it at the group so D can ride out of town safely. Just after D thanks the old man for the horse (and presumably the safe passage), the old man returns the gratitude:
No, it's only fitting I thank you. It's the least I can do. I may be just an old fool now, stranger, but I can never forget a face like yours — and I'll never forget what you'd done for me back then.
The second novel, Raiser of Gales, ends with D leaving the town of Tepes after a (kind of) successful job. Lina, a genetically-modified vampire/human hybrid, delivers a stirring speech about the history of the Nobility and expresses hope that maybe, someday, humanity and the Nobility could put aside their differences to make both races stronger. She then dissolves, as she was an imperfect trial. As D leaves Tepes, the boy in love with Lina says he'll be going to the Capital in Lina's place to carry on her studies about the Nobility. D smiles.