Dive Attack. If the astalos is flying and dives at least 30 feet straight toward a target and then hits it with a melee weapon attack, the attack deals an extra 4 (1d8) lightning damage to the target.
Multiattack. The astalos makes one Horn attack, one Tail attack, and one Wing attack.
Horn. Melee Weapon Attack. d20+9 to hit, reach 5 ft., one target. Hit: 18 (3d8 + 5) piercing damage plus 4 (1d8) lightning damage.
Tail. Melee Weapon Attack. +9 to hit, reach 10 ft., one target. Hit: 18 (3d8 + 5) piercing damage plus 4 (1d8) lightning damage. If the target is a creature, it must make a DC 14 Constitution saving throw or become paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the paralysis on itself on a success.
Wing. Melee Weapon Attack. d20+9 to hit, reach 5 ft., one target. Hit: 15 (3d6 + 5) piercing damage plus 4 (1d8) lightning damage.
Lightning Pillar (Recharge 5-6). A vertical column of lightning roars down from the sky in a location within 60 feet of the astalos. Each creature in a 10-foot-radius, 40-foot-high cylinder centered on that location must make a DC 16 Dexterity saving throw, taking 45 (13d6) lightning damage on a failed save, or half as much damage on a successful one.
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