Ryujin (5e Creature)

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Ryujin (Storm Dragon)[edit]

Gargantuan dragon, any chaotic alignment

Armor Class 23 (natural armor)
Hit Points 574 (28d20 + 280)
Speed 40 ft., fly 60 ft., swim 80 ft.

30 (+10) 10 (+0) 30 (+10) 18 (+4) 16 (+3) 22 (+6)

Saving Throws Dex +8, Con +18, Wis +11, Cha +14
Skills Perception +19, Stealth +8
Damage Resistances poison, radiant
Damage Immunities cold, lightning, thunder
Senses blindsight 60 ft., darkvision 120 ft., passive Perception 29
Languages Common, Draconic
Challenge 25 (75,000 XP)

Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.


Multiattack. The dragon can use its Hurricane Cloak. It then makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +18 to hit, reach 15 ft., one target. Hit: 21 (2d10 + 10) piercing damage plus 17 (5d6) cold, lightning or thunder damage while the dragon's Hurricane Cloak is active.

Claw. Melee Weapon Attack: +18 to hit, reach 10 ft., one target. Hit: 17 (2d6 + 10) slashing damage, plus 17 (5d6) cold, lightning or thunder damage while the dragon's Hurricane Cloak is active.

Tail. Melee Weapon Attack: +18 to hit, reach 20 ft., one target. Hit: 19 (2d8 + 10) bludgeoning damage, plus 17 (5d6) cold, lightning or thunder while the dragon's Hurricane Cloak is active.

Hurricane Cloak (3/Day). The dragon can magically create a cloak of storms as a brilliant nova around itself that lasts for 1 minute. At the start of each of the dragon's turns while the cloak is active, it chooses cold, lightning or thunder. A creature that hits the dragon with a melee attack while within 10 feet of it takes 17 (5d6) damage of the respective type. The dragon also deals an additional 17 (5d6) damage of the same type whenever it hits with a melee weapon attack (included in the attacks).

Breath of the Typhoon (Recharge 5-6). The dragon exhales a typhoon in a 90-foot cone. Each creature in that area must make a DC 24 Constitution saving throw, taking 91 (26d6) cold, lightning or thunder damage (the dragon's choice) on a failed save, or half as much damage on a successful one. If the dragon's Hurricane Cloak is active, it must choose the same type of damage as its cloak.


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.

Detect. The dragon makes a Wisdom (Perception) check.
Tail Attack. The dragon makes a tail attack.
Change Elemental Affinity (Costs 2 Actions). If the dragon's Hurricane Cloak is active, it can change the type of the cloak to one of the other types that it can normally choose.

The temperamental storm dragon known as the ryujin is worshiped by the people who live on islands and peninsulas that open to the great oceans of the east. They know that this dragon can be temperamental and cause severe destruction when roused like floods and tsunamis. They offer these creatures fine incense and wild dancing on the island sands and the best fish cooked with molasses, honey, and vinegary vegetables. These great dragons sleep below the islands in the sand, generally happy to take the offerings of the islanders, or they awaken to simply wander the oceans as the top predators and exploring the underwater canyons and ravines of the oceanic trenches. Sometimes they leap from the water to fly atop the swirling winds of great cyclones. They enjoy their freedom but they can also fly into a rage if they see the islanders not showing proper respect or maybe they just hunger for the flesh of mankind once in a while. They will ride these powerful oceanic catastrophes to a island settlement and occasionally devour the inhabitants who drowned. They generally dislike the tian'lung for speaking on behalf of the gods and see them as cynical sycophants who wish to ride on the coattails of more powerful beings so they can be bothered with the perpetual orders from the deities who control reality. Such a chore! The ryujin would rather ride free.
Where the tian'lung generally embodies the aspects of law and order in the universe the ryujin embodies the forces of freedom and destiny, hence the dragons have animosity towards each other that sometimes lead to open conflict.

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