[ Reign nodded eagerly, not yet noticing any changes in Shell. ]

Yes, indeed they do. To tell you the truth, I've tried some dragon's blood before while doing a quest. Didn't end up too well, but anyway, it's supposed to give you a sense of confidence, make you bolder and dare to do things you otherwise wouldn't.

It also burns like very strong alcohol. [ He made a face at that. ] Tastes quite nice, though. A bit spicy.