Haemorran Lineage

You are born of Haemorran blood, you have power over the life essence of others, their blood is your power source, as is your own.
New spells and abilities are gained from this feat as well as immunity to all blood-based disease with few exceptions.

any spell above 1st level using this feat will cost 5% of health plus an additional 5% each level after 3rd level.(round up the number to the higher number)