Grim Siphon

1st-level necromancy (apocalypse)

Casting Time: 1 action
Range: 30 feet
Components: V, M (the skull of a Tiny mammal or bird)
Duration: Instantaneous

You twist the forces of entropy around two creatures, bringing distress to one while staving off the demise of the other. A creature you can see within range must make a successful Constitution saving throw or take poison damage equal to 1d4 + your spellcasting ability modifier.

Another creature you choose that is within 5 feet of the target regains hit points equal to half the amount of poison damage dealt.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the poison damage increases by 1d4 for each slot level above 1st.