Blood Mage

Requires: 80 Endurance

Being a powerful mage can be very hard; it might cause you to be desperate. Magic is about intention; the more you pour into that intention, the more powerful the spells can be. Sacrificing your own body will make sure of this. Instead of expanding your charges, you can take away from your maximum health, each point of health equal to a charge you spend. You may use the perfect rune rules with your health. 
This Perk also allows you to overexert your charges. Using the Overexertion rules.