Fiendish Reflexes: The Abyssal Drake has advantage on Dexterity saving throws against effects that it can see, such as traps and spells.

Flyby: The Abyssal Drake doesn’t provoke opportunity attacks when it flies out of an enemy’s reach.

Shadow Breath (Recharge 5–6): The Abyssal Drake exhales shadowy fire in a 30-foot cone. Each creature in that area must make a DC 15 Dexterity saving throw, taking 14 (3d8) fire damage and 14 (3d8) necrotic damage on a failed save, or half as much damage on a successful one.

Multiattack: The Abyssal Drake makes two attacks: one with its bite and one with its claws.

Bite: Melee Weapon Attack: +7 to hit, reach 5 ft., one target.
Hit: 15 (2d8 + 4) piercing damage plus 7 (2d6) necrotic damage.

Claws: Melee Weapon Attack: +7 to hit, reach 5 ft., one target.
Hit: 13 (2d6 + 4) slashing damage plus 4 (1d8) fire damage.

Fear (1/day): The Abyssal Drake can cast the Fear spell (save DC 15) centered on itself, causing enemies within a 20-foot radius to become frightened for up to 1 minute.