Homebrew
Blooddrinker
5-level Necromancy
Casting Time: 1 action
Range/Area: 60ft (20ft radius)
Components: verbal, somatic
Materials: 3 Runes
Duration: Concentration, up to 1 minute
You erupt a storm of blood-soaked power in a 20-foot radius centered on a point you can see. Each creature of your choice in the area must make a Constitution saving throw, taking 10d10 necrotic damage on a failed save, or half on a success.Until the spell ends, any time a creature dies within the zone, you or an undead under your control regain hit points equal to half the creature’s max HP.
At higher levels: Damage increases by 1d10 per rune beyond 3.
Available for: Death Knight