Tome of blood arts: anyone who reads this tome gets control of blood and blood spells when opening the book for the first time  you have to make an intelligent saving throw or become corrupt and make a save at the start of each turn (int 20)

Spells: blood drain: (con 16)  drains blood from your body giving their blood weapon +1 and you take (3d6)  (1 charge)

blood spikes: blood erupts from the ground in the shape of spikes causing damage and making difficult terrain (Dex 13) on a successful save you take no damage (2 charges)

Blood wings: blood forms and hardening on your back and allowing you to fly 30ft (1 charge)

Bloody nightmare:  blood erupts from the players body taking half of the players hit points and deals (10d10) on a failed dex save (dex 17) or half as much on a successful save

Notes: Immunity: Frightened, Immunity: Necrotic, When attuned to this item you can not be frightened , Cursed