Magic Resistance. The Spined Terror has advantage on saving throws against spells and other magical effects.

Magic Weapons. The Spined Terror's weapon attacks are magical.

Multiattack. The Spined Terror makes three attacks: one with its bite, one with its claws, and one with its tail spines.

Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) piercing damage plus 7 (2d6) poison damage.

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

Tail Spines. Ranged Weapon Attack: +6 to hit, range 30/60 ft., one target. Hit: 14 (3d6 + 4) piercing damage plus 7 (2d6) poison damage.

Psionic Blast (Recharge 5-6). The Spined Terror emits a wave of psionic energy. Each creature within 20 feet of the Spined Terror must make a DC 15 Intelligence saving throw, taking 22 (4d10) psychic damage on a failed save, or half as much damage on a successful one.

Oblivion Wing (Recharge 5-6). The Spined Terror releases a beam of dark energy from its wings. Each creature in a 30-foot line that is 5 feet wide must make a DC 15 Dexterity saving throw, taking 27 (6d8) necrotic damage on a failed save, or half as much damage on a successful one. The Spined Terror regains hit points equal to half the necrotic damage dealt.