Actions

Multiattack. The erinyes makes three attacks.   Longsword. Melee Weapon Attack: +8 to hit, reach 1 sq., one target. Hit: 8 ( 1d8+4 ) slashing damage, or 9 ( 1d10+4 ) slashing damage if used with two hands, plus 13 ( 3d8 ) poison damage.   Longbow. Ranged Weapon Attack: +7 to hit, range 30/60 sq., one target. Hit: 7 ( 1d8+3 ) piercing damage plus 13 ( 3d8 ) poison damage, and the target must succeed on a DC 14 Constitution saving throw or be poisoned. The poison lasts until it is removed by the lesser restoration spell or similar magic.

Reactions

Parry. The erinyes adds 4 to its AC against one melee attack that would hit it. To do so, the erinyes must see the attacker and be wielding a melee weapon.