Martyr Magic

Some sorcerer's trace their lineage to vampiric origins, some discover their power after near death experience. Or maybe they descend from a famous martyr. Whatever the source of their power one thing is for certain. These spellcaster utilize their own life force as power.

Life Essence Magic

Whenever casting a sorcerer spell you use your constitution modifier as your spellcasting ability.

Sacrificial Enhancement

You are able to push your magic past it's limit at the cost of your wellbeing. Whenever you gain access to sorcery points you will instead have an infinite supply. Whenever you use sorcery points you take 1d6 damage per sorcery point used and whenever you regain a sorcery point you heal 1d6 per sorcery point.

Potion Storage

Whenever you consume a potion you can choose to store the potion inside your body for use at another time. You can activate a stored potion as an action. When you activate the potions effect you can choose to take 3d6 damage to grant the potion a metamagic effect you are capable of using. After a stored potion activated it is consumed. You can store an amount of potions equal to your constitution modifier (minimum of 1) in this way

Bounceback

Whenever an attack or effect forces you to make a constitution saving throw to maintain concentration and you successfully maintain concentration you can use your reaction to cast a spell or cantrip with a casting time of 1 action

Life Siphon

The spell vampiric touch is added to your known spells and can be cast at it's lowest level without consuming a spell slot. Whenever you cast vampiric touch it's range is 30 instead of touch.