Dexterity +5, Constitution +11, Charisma +9
Perception +12, Stealth +5
Blindsight 60 ft, Darkvision 120 ft
Common, Draconic
Lightning
Traits
Legendary Resistance
If the Adult Blue Dragon fails a saving throw, it can choose to succeed instead.
Legendary Actions
Actions
Bite
+12 to hit, range 10 ft. Hit: 18 (2d10 + 7) piercing damage.
Claw
+12 to hit, range 5 ft. Hit: 14 (2d6 + 7) slashing damage.
Multiattack
The Adult Blue Dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.
Frightful Presence
Each creature of the Adult Blue Dragon's choice that is within of the dragon and aware of it must succeed on a saving throw or become frightened for . 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 Adult Blue Dragon's for the next 24 hours.
Tail
+12 to hit, range 15 ft. Hit: 16 (2d8 + 7) bludgeoning damage.
Lightning Breath
The Adult Blue Dragon exhales lightning in a . Each creature in that line must make a saving throw, taking damage on a failed save, or half as much damage on a successful one.
Legendary Actions
Detect
The Adult Blue Dragon makes a Wisdom (Perception) check.
Tail Attack
The Adult Blue Dragon makes a tail attack.
Wing Attack
The Adult Blue Dragon beats its wings. Each creature within of the Adult Blue Dragon must succeed on a saving throw or take damage and be knocked prone. The Adult Blue Dragon can then fly up to half its flying speed.