1.you would have to buy draught of life which brings humans back from the dead if you are a shade then you need to be near death but not shade when turned 2. no they cant keep biting once they scan you has a shade if they try to feed on you, you will see them vomiting blood has you are already dead and being newbie i already posted this reply but to wrong person doh heres hoping its a reply to you abby 2nd time around