[quote=Lucius Cypher]
I think I can work with Rtron and Lucius to create one, what do you two think?[/quote]

That would be a logical course of action.

Also, all magic has their weaknesses and strengths. There are some areas will one type of blood excels naturally the best in, and others where it must struggle to keep up. Trying to stay just within the area of your ability is what's known as a [url=http://tvtropes.org/pmwiki/pmwiki.php/Main/CripplingOverspecialization]"Crippling Overspecialization"[/url]: by that point you're going to make up your own weaknesses. Even Psychomancy, for all their bells and whistles, don't have any means to stop themselves from bleeding to death.