Young Sea Dragon — fantasy monster illustration. Young Sea Dragon is a large dragon (Challenge Rating 9).

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Young Sea Dragon

Large Dragon, Neutral Evil

AC
18
HP
190
Speed
50
CR
9

False


Armor Class 18 (natural armor)

Hit Points 190 (20d10 + 80)

Speed 50 ft., fly 40 ft.


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

Saving Throws Cha +7, Con +8, Dex +4, Wis +5

Skills Stealth +4, Perception +9

Damage Vulnerabilities False

Damage Resistances False

Damage Immunities cold

Condition Immunities False

Senses blindsight 30 ft., darkvision 120 ft., passive Perception 19

Languages Common, Draconic, Primordial

Challenge 9


Traits

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.

Community Images

Young Sea Dragon — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022