School of Haemomancy

Haemomancers are Wizards that have sworn themselves to the forbidden art that is blood magic. Using even their own blood to become stronger than anyone else. 

Hardened Body

The constant use of your own blood has strengthened your body.
Your hitpoints increase by [Int Modifier] per level and you get a +1 to constitution.

(This feature is unavailable to Multiclassing.)

Bloodied Arcanum

When choosing this Subclass at 2nd level you can upcast a spell to up to your highest currently available spell slot by dealing [2*Spell level] piercing damage to yourself. This damage can't be reduced.

Crimson Cloak

At 6th level, you can use your bonus action to increase your AC. If used you will take [Wizard Level] damage and it will increase by 1. This can be done up to three times per long rest and it lasts for 1 our each.

Bleed them Dry

At 10th level, you can use your action to draw blood from a wounded creature within 15 ft. That creature takes [Highest Spellslot]d4 necrotic damage. You can use the drawn blood to fuel your Bloodied arcanum once. This can be used once per Short rest.

Blood letting

At 14th level when damaging a creature that has blood within 15 ft. of you, 1d4-1 blood clots appear around you (Max of 10). As an action, you can fire up to 5 of these blood clots that act like the magic missile spell.