If the dragon fails a saving throw, it can choose to succeed instead.
Actions
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+11 to hit, reach 10 ft., one target. 17 () 🏹 Piercing damage plus 4 () 🧪 Acid damage.
Claw
Melee Weapon Attack+11 to hit, reach 5 ft., one target. 13 () 🗡️ Slashing damage.
Tail
Melee Weapon Attack+11 to hit, reach 15 ft., one target. 15 () 🔨 Bludgeoning damage.
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 16 Wisdom saving throw or become 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 saving throw is successful or the effect ends for it, the creature is immune to the dragon's Frightful Presence for the next 24 hours.
Acid Breath Recharge 5
The dragon exhales acid in a 60-foot line that is 5 feet wide. Each creature in that line must make a DC 18 Dexterity saving throw, taking 54 () 🧪 Acid damage on a failed save, or half as much damage on a successful one.
Legendary Actions
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 19 Dexterity saving throw or take 13 () 🔨 Bludgeoning damage and be knocked . The dragon can then fly up to half its flying speed.