Bone Dart

You conjure and hurl a shard of jagged bone at a creature within range. Make a ranged spell attack. On a hit, the target takes 1d8 necrotic damage as the splinter drives into flesh and rots from within.

If you reduce a creature to 0 hit points with this spell, you gain temporary hit points equal to your spellcasting modifier.

Cantrip Upgrade. The spell’s necrotic damage by 1d8 at 5th level (2d8), 11th level (3d8), and 17th level (4d8).