Sword of strength

Weapon Magical, cursed Common (this item requires attunement) [To attune to this sword you need to take a life with it. When attuned the sword gains double damage +3 to hit and damage and the curse activates.]

This sword bears a powerfull curse. When you use it to take a life you arre automatically attuned to it and can´t stop the attunement by any means. Anyone attuned to this sword is doomed to die by it´s blade before seven moons have passed.