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Adult Blue Dragon

Huge dragon, lawful evil

Challenge Rating
16
XP
15,000
Armor Class
19
Hit Points
225 (18d12)
Speed
40 ft., burrow 30 ft., fly 80 ft.
Ability Scores
STR DEX CON INT WIS CHA
25 (+7) 10 (+0) 23 (+6) 16 (+3) 15 (+2) 19 (+4)
Skills
Perception: +12, Stealth: +5
Senses
Blindsight 60 ft., darkvision 120 ft., passive perception 22
Languages
Common, draconic
Damage Immunities
lightning
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.
Tail
Melee Weapon Attack: +12 to hit, reach 15 ft., one target. Hit: 16 (2d8 + 7) bludgeoning damage.
Frightful Presence
Each creature of the dragon's choice that is within 120 ft. 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 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.
Lightning Breath (Recharge 5-6)
The dragon exhales lightning in a 90-foot line that is 5 ft. 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 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 ft. 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.

D&D 5E SRC

Monster Cards