there are alot of dead people in the bhaal places, I sort of assumed the cut up person in Orin's bedroom might be the easteregg dark urge if you don't play them, and from memory theyre human?
If it comes down to if you consider, then hey, every corpse in the game *could* be the durge?

Minthara is the best character and she NEEDS to be recruitable if you side with the grove!
Also- I support the important thread in the suggestions: Let everyone in the Party Speak