Ancient Blue Dragon
Gargantuan dragon · Lawful EvilAC: 22
HP: 481 (26d20 + 208)
Speed: 40ft, Fly 80ft, Burrow 40ft
Initiative: +0
Skillsperception:
stealth:
| | Mod | Save |
|---|
| Str | 29 | | |
| Int | 18 | | |
| | Mod | Save |
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| Dex | 10 | | |
| Wis | 17 | | |
| | Mod | Save |
|---|
| Con | 27 | | |
| Cha | 21 | | |
Senses: blindsight 60 ft., darkvision 120 ft.
Languages: Common, Draconic
Immunities: lightning
CR: 23
Traits
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: to hit, reach 15 ft., one target. Hit:20 () piercing damage plus 11 () lightning damage.Claw
Melee Weapon Attack: to hit, reach 10 ft., one target. Hit:16 () slashing damage.Tail
Melee Weapon Attack: to hit, reach 20 ft., one target. Hit:18 () 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 20 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.Lightning Breath (Recharge 5–6)
The dragon exhales lightning in a 120-foot line that is 10 feet wide. Each creature in that line must make a DC 23 Dexterity saving throw, taking 88 () lightning damage on a failed save, or half as much damage on a successful one.Legendary Actions
Legendary Action Uses: 3. Immediately after another creature's turn, the Ancient Blue Dragon can expend a use to take one of the following actions. The Ancient Blue Dragon regains all expended uses at the start of each of its turns.
Detect
The dragon makes a Wisdom () check.Tail Attack
The dragon makes a tail attack.Wing Attack (Costs 2 Actions)
The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 24 Dexterity saving throw or take 16 () bludgeoning damage and be knocked . The dragon can then fly up to half its flying speed.