this basically means that you are both a vampire, and have the necromage perk. The first, is you must be a necromage vampire. There are two tricks you must use however, which some may consider exploits. When I say no exploits, I mean it can be done without using anything I consider exploits. Hey there! It took me a while, but I was finally able to find a way to reduce the casting cost for all schools of magic by 100% – without using any exploits.
This guide will show you how to reduce the casting cost of spells from all schools of magic by 100% without using exploits! How to Get 100% Casting Cost Reduction for All Schools (No Exploits) Home > New Guides > Skyrim – How to Get 100% Casting Cost Reduction for All Schools