Death Sigil

A glowing red and black sigil appears in a location you choose within range. The sigil has a 30-foot diameter and you can target up to 5 creatures within the sigil. Each creature you select in the area must make a Constitution saving throw. It takes 6d10 necrotic damage on a failed save, or half as much damage on a successful one. If the target dies it becomes a Deathlock, and it has it's stats sheet and counts as a summoned ally that fully obey you.

At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the spell deals 1d10 extra damage for each slot level above 5th.