# Young Sea Dragon

*Large* *Dragon* *Neutral Evil*

- **Armor Class:** 18 (natural armor)
- **Hit Points:** 190 (20d10 + 80)
- **Speed:** walk 50 ft. fly 40 ft.
- **Challenge Rating:** 9 (5,000 XP)
- **Source:** Tome of Beasts 2023, page 127

| STR | DEX | CON | INT | WIS | CHA |
| --- | --- | --- | --- | --- | --- |
| 21 (+5) | 10 (+0) | 19 (+4) | 15 (+2) | 13 (+1) | 17 (+3) |

- **Saving Throws**: Dex +4, Con +8, Wis +5, Cha +7
- **Skills:** Perception +9, Stealth +4
- **Damage Vulnerabilities:** False
- **Damage Immunities:** cold
- **Damage Resistances:** False
- **Condition Immunities:** False
- **Senses:** blindsight 30 ft., darkvision 120 ft., passive Perception 19
- **Languages:** Common, Draconic, Primordial

### Special Abilities

- **Amphibious:** The dragon can breathe air and water.
- **Siege Monster:** The dragon deals double damage to objects and structures.

### Actions

- **Multiattack:** The dragon makes one Bite attack and two Fin attacks.
- **Bite:** Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) piercing damage plus 7 (2d6) cold damage.
- **Fin:** Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.
- **Tidal Breath (Recharge 5-6):** The dragon exhales a crushing wave of frigid seawater in a 30-foot cone. Each creature in that area must make a DC 16 Dexterity saving throw. On a failure, the creature takes 22 (4d10) bludgeoning damage and 22 (4d10) cold damage and is pushed up to 15 feet away from the dragon and knocked prone. On a success, the creature takes half the damage and isn't pushed or knocked prone.