Adult Blue Dragon — D&D 5e Stat Block
Complete stat block for Adult Blue Dragon, a CR 16 huge dragon from D&D 5th Edition.
Adult Blue Dragon
Huge Dragon, Lawful Evil
Armor Class 19 (natural armor)
Hit Points 225 (18d12+108)
Speed 40 ft., burrow 30 ft., fly 80 ft.
Skills Perception +12, Stealth +5
Damage Immunities lightning
Senses Blindsight 60 ft., Darkvision 120 ft., passive Perception 22
Languages Common, Draconic
Challenge 16 (15,000 XP)
Legendary Resistance (3/Day). 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: +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.
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 on a successful one.
Legendary Actions
The adult blue 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 adult blue 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 must succeed on a DC 20 Dexterity saving throw or take 14 (2d6 + 7) bludgeoning damage and be knocked prone.