Multiattack

The death knight makes three Greatsword or Necrotic Bolt attacks.

Greatsword

_Melee Weapon Attack:_ +7 to hit, reach 5 ft., one target. _Hit:_ 11 (2d6+4) slashing damage and 7 (2d6) necrotic damage.

Necrotic Bolt

_Ranged Spell Attack:_ +7 to hit, range 60 ft., one target. _Hit:_ 18 (4d6+4) necrotic damage.