# Adult Blue Dragon

*Huge* *Dragon* *lawful evil*

- **Armor Class:** 19 (natural armor)
- **Hit Points:** 225 (18d12+108)
- **Speed:** walk 40 ft. burrow 30 ft. fly 80 ft.
- **Challenge Rating:** 16 (15,000 XP)
- **Source:** [5.1 SRD (2015 MM)](https://slyflourish.com/srds/SRD5.1-CCBY4.0_License_live%20links%20English.pdf) page 283

| STR | DEX | CON | INT | WIS | CHA |
| --- | --- | --- | --- | --- | --- |
| 25 (+7) | 10 (+0) | 23 (+6) | 16 (+3) | 15 (+2) | 19 (+4) |

- **Saving Throws**: Dex +5, Con +11, Wis +7, Cha +9
- **Skills:** perception +12, stealth +5
- **Damage Immunities:** lightning
- **Senses:** blindsight 60 ft., darkvision 120 ft., passive Perception 22
- **Languages:** Common, Draconic

### Special Abilities

- **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.

The 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 dragon regains spent legendary actions at the start of its turn.

### 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.
