Sea Dragon

gargantuan dragon (aquatic), chaotic neutral

Challenge 15.0 (13,000 XP)

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STR
30 (+10)
DEX
12 (+1)
CON
24 (+7)
INT
10
WIS
15 (+2)
CHA
18 (+4)

Defense

Armor Class
20 (natural)
Hit Points
300 (20d20+60 +7)
Speed
60 ft., fly 120 ft., swim 120 ft.

Proficiencies & Senses

Saving Throws Strength, Constitution
Skills
Athletics +8, Deception +6, Perception +7, Intimidation +8
Senses
darkvision 60 ft.
Water Sense 120 ft. (Can sense vibrations and movement in water.)
passive Perception 17

Characteristics

Damage Vulnerabilities
Damage Resistances
fire, cold
Damage Immunities
Condition Immunities
frightened, charmed
Languages Draconic, Aquan

Traits

Amphibious

The sea dragon can breathe air and water.

Legendary Resistances (3/Day)

If the sea dragon fails a saving throw, it can choose to succeed instead.

Actions

Multiattack

The sea dragon makes three attacks: one with its bite and two with its claws.

Bite

Melee Weapon Attack: +17 to hit, reach 10 ft., one target. Hit: 30 (4d10 + 10) piercing damage.

Claw

Melee Weapon Attack: +17 to hit, reach 5 ft., one target. Hit: 22 (3d8 + 10) slashing damage.

Dragon Breath (Recharge 5-6)

The sea dragon exhales a blast of scalding steam in a 90-foot cone. Each creature in that area must make a DC 18 Constitution saving throw, taking 66 (12d10) fire damage on a failed save, or half as much damage on a successful one.

Combat Behavior

Tactics


• Ambush from beneath the waves
• Utilizes its breath weapon strategically
• Targets the most dangerous foes first

Combat Style

Employs hit-and-run tactics, relying on its speed and agility in the water.

Morale

Typically fights to defend its territory but will retreat if severely outnumbered or injured.

Monster Description

The Sea Dragon is a colossal creature, a horrifying sight to behold in the ocean depths. With a body reminiscent of traditional dragons, it is covered in iridescent scales that range in color from deep blue to emerald green, reflecting sunlight in dazzling patterns. Its most striking feature is its massive shark-like head, complete with serrated teeth that can easily crush boats and sealife alike. The Sea Dragon typically resides in deep waters and hidden coves, where it prefers to hunt and maintain its territory. Sailors tell tales of this fearsome beast prowling the oceans, its dark silhouette cutting through the waves.

Despite its fearsome nature, the Sea Dragon is also a creature of beauty when gliding gracefully in the water. It is known to enjoy the depths of coral reefs and has been observed interacting curiously with other marine creatures, albeit from a distance. The Sea Dragon possesses both immense strength and agility, making it a formidable predator in its ocean domain. These dragons are known to be fiercely territorial, regularly engaging in battles against others of their kind, as well as any that challenge their reign over their watery realms.

The Sea Dragon's unique shark-like features grant it an advantage in both the water and the air, making it an astonishing sight. Regions near its territory often suffer from strange weather patterns, spawning clouds and devastating storms. Legends say this is the Sea Dragon's way of communicating or defending its territory, demonstrating its powerful connection to the very waters it claims as its own.

Monster behavior

The Sea Dragon acts with a sense of superiority, using its intelligence to outmaneuver would-be predators and intruders. It displays a keen interest in its territory, often attacking ships that venture too close. When engaging opponents, it relies on its massive jaws and swiftness in water to deliver devastating blows. The dragon uses its breath weapon strategically, targeting multiple foes to instill fear and chaos in their ranks. It prefers to ambush or approach stealthily, attacking when least expected. Legends suggest it may engage in extended battles purely for sport, reflecting its chaotic neutral nature.

Ecology

The Sea Dragon plays a pivotal role in the underwater ecosystem, maintaining the balance of marine life within its territory. It preys on large fish, sea serpents, and occasionally even aggressive surface dwellers like pirates. When a Sea Dragon departs from an area, other predators often surge in number, leading to an imbalance as populations attempt to fill the void it left behind. Thus, their presence is crucial to maintaining marine biodiversity.

History

Sea Dragons have been revered and dreaded by coastal civilizations for centuries. Their stories are commonly narrated in folklore, often portraying these dragons as messengers of the sea god or as harbingers of storms. Many believe that encountering a Sea Dragon is an omen of change, whether that be fortune or catastrophe. Over time, myth and reality blurred, leading to severe overfishing in areas near their habitats as ships sought to confront or appease these majestic yet terrifying creatures. The few known sightings and documented encounters tell of their immense power and intrigue, instilling both fear and respect in those who dare to explore their territories.

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