It should depend on vampire type, his/her personality, and the situation. A sufficiently hungry or stupid vampire will just munch on whoever's nearest, maybe without even waiting for them to go to sleep first. Another vampire might randomly hate jewlers and thus targets them above all others. A third could feed only on children and the lazy, so as to not affect the working of the fortress. A fourth might be interested in chaos, and thus targets food producers, miners, and friendly dwarves while leaving the fortress guard intact, perhaps smashing furniture occasionally, feighning a tantrum. A fifth might pick off everyone higher on the social ladder than him, especially if he's a noble. A sixth might try and convince young adult dwarves of the opposite sex to be fed on willingly, sparkles optional. A seventh might slaughter sleeping dwarves whenever he has some spare time, just because he's bored (maybe this could happen with non-vampires?). And so forth.
This is a good suggestion.
+1 for GWG's suggestion, takes into account the other ideas too.
...People
agree with me? I think this is the first time this has happened.
Why am I picturing Vampires now with Scouters that display a Dwarf's power level?
Ohh yes, because that would be relatively close to what this suggestion is actually asking.
I'm not sure what a "scouter" is, but it's safe to assume that most vampires would realize that they will draw more attention killing the beloved Starting Seven expedition leader/baron/etc, the axelord militia commander, or the legendary weaponsmith that forged an artifact steel battleaxe with a hundred goblins and a dragon killed by it, than they would by feeding on the worthless cheesemakers and glazers and such that come every season and are known by maybe two or three other dwarves, who are mostly other worthless haulers.
