This rectangular shield of blackened iron has a maze of deep grooves in it stained a dull red. As a reaction to being hit by an attack you can activate the shield. When you activate the shield you feel a sharp pang in your hand and forearm and the grooves in the shield glow a sickly red as a dark barrier of magical force surrounds you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and are lightly obscured.
Curse. Every time you activate Bloodwraught it gains a charge, and you take 1d8 Necrotic damage for each charge Bloodwraught has. These charges reset each day at dawn.
As an action you can pour this potion over a section of your body that is severely damaged or missing, such as a hand, toes, tail, or even a whole leg. Over the course of 5 minutes the missing or damaged section is completely restored.
Curse. You gain an unnatural interest in fresh humanoid blood after using this potion. Additionally, any of your limbs that have been restored by trollsblood are each cursed as well. If you do not consume humanoid blood for 30 days, any part of your body restored by the potion shrivels, and become unusable until you consume humanoid blood.