Multiattack

Two Spectral Bites. If both hit same target it takes 10 (3d6) necrotic and hp max is reduced by that amount (DC 13 Con negates damage and hp max). Reduction lasts until target finishes a long rest. Target dies if this reduces its hp max to 0.

Spectral Bite

Melee Weapon Attack: +5 to hit, 5 ft., one creature,. 10 (2d6+3) necrotic.