Sidhe. Due to their nobility, sense of purpose. He's a leader - it's almost as natural to him as breathing. His curiosity and hunger for power makes him a political beast - ready to claw his way through the thorn-choked forests of the Dreaming.
Natural Leaders and deal makers. Right up his alley.
Verbena for their old world approach to magic, Dreamspeakers for their dealings with spirits.
Power is most important of all of these, and there is no room in the Shadow Lords for showing weakness or mercy to an opponent, be it a battle of wits or of blades.
His street-level approach to business, his attention to family (adopted), his temper, and his difficulty with bending the knee to someone just because someone said that he has to.
The Mostly Mortal
Stay outta my head and I won't have to lock you in the basement.
And I thought -I- had a drinking problem.
They usually get in my way, piss me off, or generally annoy me. But occasionally I can be surprised.
I got spells. You got spells. Let's trade.
The Others
You're cute.
Have soul(s) willing to trade for power. Call me.
Don't think I'd know what to do if I met one.
Could be interesting - I guess. If I could just get past all of the fangs, claws and that murderous rage.
I think I met one once. Not sure.
Their addition to blood could interesting. Their knowledge could be handy. Their revenge - I'd rather skip.