Lich's Blessing

Undead Nature: Your creature type becomes undead, regardless of what it was originally. You no longer need to eat, drink, sleep, or breathe.

Cursed Veins: You become resistant to necrotic damage. Additional any spells, potions, or effects that would heal you are only half effective. 

Reanimation: 24 hours after death you reawaken as normal, after this occurs roll a d4 on a 1 your max hp decreases by 1, on a 4 your max hp increases by 1.