Frightful Presence. Each creature of the dragon's choice that is within 120 feet of the dragon and aware of it must succeed on a DC 17 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's savt 24 hours.,,
Multiattack.The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.
Bite. Melee Weapon Attack:+12 to hit, reach 10 ft., one target.
Hit: 18 (2d10 + 7) piercing damage plus 5 (1d10) lightning damage.
Claw. Melee Weapon Attack: +12 to hit, reach 5 ft., one target.
Hit:14 (2d6 + 7) slashing damage.
Tail. Melee Weapon Attack: +12 to hit, reach 15 ft., one target.
Hit:16 (2d8 + 7) bludgeoning damage.
Lightning Breath (Recharge 5-6). The dragon exhales lightning
in a 90-foot line that is 5 feet wide. Each creature in that line
must make a DC 19 Dexterity saving throw, taking 66 (12d10)
lightning damage on a failed save, or half as much damage on
a successful one.
Legendary Resistance (3/Day).If the dragon fails a saving throw, it can choose to succeed instead.
The dragon can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn.
Detect.The dragon makes a Wisdom (Perception) check.
Tail Attack. The dragon makes a tail attack.
Wing Attack (Costs 2 Actions).The dragon beats its wings. Each creature within 10 feet of the dragon must succeed on a DC 20 Dexterity saving throw or take 14 (2d6 + 7) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.