[quote=Yog Sothoth]
I have two questions, can I make a Warlock who has a pact with Cthulhu like entities? and which guild would fit my Character best?
[/quote]

Yog, I would have to say House Dimir, but a warlock is more of a Destructive type. House Dimir doesn't "Really" Exist and is all about secrecy.

Submit your character, and we can talk about which guild.