Most Vampires get their own feed and don’t care who they get it from. But for the highest Lords of the Vampire hierarchy they have little time to go about the process of obtaining blood and prefer some of a good source, so they get their Quartermasters to take blood of good quaility from important victims.
He is fat, kind, witty and against violence. The last person you would expect to be a vampire
Not all vampires in the land of the dead are bloodthirsty killers that want to take over the world. Some are satisfied with immortality and want to spend an eternity without strife in seclusion away from contant war with the humans.
You find a patch of edible funghi. They taste well and all, no ill effects. UNLESS you consume some beverage, even 3 (three) days after eating it. Then you become really sick with pains, vomiting, all the fancy stuff. As a gift or good meal, it could be a cruel joke or to make sure the heroes spend their time focused on the mission. And the fine soup you had in the inn yesterday could have some in.
(Inspired through a real-world fungus. Was really used to cure alcoholism.)