"Is the blood a necro thing? Do you grab a glass to power up before you head out in the morning?"

Those aren't the greatest implications, but he's too committed to the aesthetic to take her away from the most aesthetically necromancer location he's listed just to try something. That's as good as any bet she's made today, so she sticks close behind him. There are exactly zero downsides to getting out of a boneyard, and she could probably take him.

"What's it serve when it isn't serving blood?"