Ancient Blue Dragon
Challenge 23 (50,000 XP), Gargantuan dragon , lawful evil
HP 481 (26d20) AC 22 SPD 40 ft., burrow 40 ft., fly 80 ft.
|29 (+9)||10 (+0)||27 (+8)||18 (+4)||17 (+3)||21 (+5)|
- Perception: +17, Stealth: +7
- Blindsight 60 ft., darkvision 120 ft., passive perception 27
- Common, draconic
- Damage Immunities
- The dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.
- Melee Weapon Attack: +16 to hit, reach 15 ft., one target. Hit: 20 (2d10 + 9) piercing damage plus 11 (2d10) lightning damage.
- Melee Weapon Attack: +16 to hit, reach 10 ft., one target. Hit: 16 (2d6 + 9) slashing damage.
- Melee Weapon Attack: +16 to hit, reach 20 ft., one target. Hit: 18 (2d8 + 9) 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 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 120-foot line that is 10 feet wide. Each creature in that line must make a DC 23 Dexterity saving throw, taking 88 (16d10) lightning damage on a failed save, or half as much damage on a successful one.
- 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 15 ft. of the dragon must succeed on a DC 24 Dexterity saving throw or take 16 (2d6 + 9) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.