Fernitha

Medium Fiend (devil), Lawful Evil

Armor Class 18 (plate armor)

Hit Points 153 (18d8 + 72)

Speed 30 ft., fly 60 ft.

STR

DEX

CON

INT

WIS

CHA

Saving Throws DEX +7, CON +8, WIS +6, CHA +8

Damage Resistances cold; bludgeoning, piercing, slashing, from nonmagical attacks that aren't silvered

Damage Immunities fire, poison

Condition Immunities Poisoned

Senses truesight 120 ft., passive Perception 12

Languages Infernal, telepathy 120 ft.

Challenge 12 (8,400 XP)

Traits

Hellish Weapons. Fernitha's weapon attacks are magical and deal an extra 13 (3d8) poison damage on a hit (included in the attacks).

Magic Resistance. Fernitha has advantage on saving throws against spells and other magical effects.

Actions

Multiattack. Fernitha makes three 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 13 (3d8) poison damage.

Longbow. Ranged Weapon Attack: +7 to hit, range 150/600 ft., 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. Fernitha 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.