Death Touch

You touch a creature and attempt to end its life instantly. It must make a Constitution saving throw, taking 4d10 necrotic damage on a failure.

This spell automatically fails if it targets a creature with more than 40 hit points.

At Higher Levels. When you cast this spell using a spell slot of lvl 5 or higher, it deals an additional 1d10 necrotic damage for every spell level above 4th. In addition, the threshold for failure increases by 10 hit points for every level above 4th.