i have an idea o.o/

While Living Dead is active all damage is recieved on your mana bar, instead of the health bar, wich will make you unkillable. and all skills wich costs mana are costing health instead. after the effect of Living Dead ends, your current health and mana is swapped. so you will die when you are at 0 mana, or you get a nice selfheal when your mana is full.

healing and mana regen effects are not affected. so you have to basically heal yourself with blood weapon, syphon strike and stuff.