Creature List
Ancient Blue Dragon
Gigantic dragon | lawful evil
Armor Class 22 (natural armor)
Hit Points 481 (26d20 + 208)
Speed walk 40ft, burrow 40ft, fly 80ft
- STR
29 (9) - DEX
10 (0) - CON
27 (8) - INT
18 (4) - WIS
17 (3) - CHA
21 (5)
- Saving Throws Dex +7, Con +15, Wis +10, Cha +12
- Skills Perception +17, Stealth +7
- Damage Immunities lightning
- Senses blindsight 60 ft., darkvision 120 ft., passive Perception 27
- Languages Common, Draconic
- Challange 23
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 +16 to hit, reach 15 ft., one target. Hit:20 (2d10 + 9) piercing damage plus 11 (2d10) lightning damage.
- Claw. melee weapon attack +16 to hit, reach 10 ft., one target. Hit:16 (2d6 + 9) slashing damage.
- Tail. 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.
Legendary Actions
The Blue Dragon can take 3 legendary actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. The 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 15 feet 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.