Multiattack

The erinyes makes three Longsword or Longbow attacks.

Longsword

_Melee Weapon Attack:_ +8 to hit, reach 5 ft., one target. _Hit:_ 8 (1d8+4) slashing damage, or 9 (1d10+4) slashing damage if used with two hands, plus 18 (4d8) poison damage.

Longbow

_Ranged Weapon Attack:_ +7 to hit, range 150/600 ft., one target. _Hit:_ 7 (1d8+3) piercing damage plus 18 (4d8) poison damage, and the target must succeed on a DC 16 CON save or be poisoned for 1 minute. The target can repeat the save at the end of each of its turns, ending the effect on itself on a success.