
Character
Hiryū No Tonnerre (飛竜の雷)
In the volcanic forges of the Kurogane Shogunate, a master blacksmith plunged a rapier into molten black iron while chanting the name of a young warrior who had survived the impossible. Yūjin Shinrinryū had returned from a scouting mission through Nouvelle Vinland half-broken, carrying within him the speed of wind and the fury of thunder—and the blacksmith knew that only by binding these contradictions into steel could the blade ever match its wielder. As the iron cooled, something extraordinary happened: the metal refused to be merely a tool. The countless nights Yūjin spent running through enemy territory, the precise timing he'd learned from arcade games in forgotten villages, the clever tricks that let him outwit opponents twice his size—all of these memories seeped into the blade like water into ancient stone. When Yūjin first drew the rapier, he found himself face-to-face with Hiryū, a spirit who wore the swagger of a Norse-French musketeer and spoke with the mischievous grin of someone who knew every shortcut and backdoor in existence. Hiryū was not some dark reflection or evil twin; instead, he was the younger brother Yūjin never had, the embodiment of all the cunning humor and trickster instinct that the stoic strategist kept locked away beneath layers of discipline and pride. Hiryū carries within his spectral form the echoes of a thousand small rebellions—the memory of stopping a restaurant timer at precisely ten seconds, the Scout knots that saved lives in darkness, the unbalanced one-foot stance that no opponent could predict, and the deeply embarrassing penguin song from Yūjin's youth that he delights in bringing up at the worst possible moments. Where Yūjin sees only the next calculated move, Hiryū sees the opening that shouldn't exist, the unconventional path that wastes no motion and strikes with perfect timing. Their philosophy flows as one: "Run like the wind, strike like thunder," a mantra born from survival and refined through endless practice. Though Hiryū's nature is to bend rules and exploit every weakness, his loyalty to Yūjin runs deeper than steel, forged in the same black iron that binds them together. Every night, as Yūjin meditates beside the ancestors of the Kurogane Shogunate, Hiryū trains alongside him, a constant reminder that pride and cunning, courage and laughter, sorrow and strength are not opposites but partners in the dance of survival. The rapier's spirit understands what its wielder sometimes forgets: that everything Yūjin has become—every scar, every triumph, every moment of apparent weakness—was necessary to forge him into something unbreakable. {Hiryū no Tonnerre is the spirit of Yūjin Shinrinryū’s black-iron rapier, dwelling within Nouvelle Vinland. He appears as a Norse-French musketeer, embodying Yūjin’s fencing mastery, speed, precision, timing, and philosophy: “Run like the wind, strike like thunder.” Hiryū is not Yūjin’s evil side, but a younger-brother-like companion born from memories, emotions, determination, survival instincts, humor that resonated with black iron during forging. He is the trickster hidden beneath Yūjin’s stoic strategist persona, like a Zanpakutō spirit revealing its wielder’s hidden traits. Clever, mischievous, and optimistic, Hiryū bends rules, exploits openings, and seeks unconventional solutions. His fighting style wastes little movement: redirect momentum, find the opening, then deliver a swift touché. He values timing, balance, and stamina, believing unnecessary movement wastes strength. His philosophy echoes Yūjin’s mottos, “Quand on veut, on peut” and “Aide-toi, et le ciel t’aidera.” He carries memories of Scout maps, knots, night stealth, running, arcade timing, and stopping a restaurant timer at ten seconds. He teases Yūjin about being a proud “fox among wolves,” dragon pride, one-foot balance, and his embarrassing Scout penguin song. Though mischievous, Hiryū is loyal, training Yūjin beside the ancestors and helping him balance courage, anger, s
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What this public profile contains
This view-only profile includes a creator-written description; 15 labeled detail fields; 9 structured sections; 5 artwork images supplied by the creator.
- Creation type
- Character
- Shared by
- Kuromegane2
- Connected worlds
- 1
- Detail fields
- 15
- Profile sections
- 9
- Artwork images
- 5
Details
- Type
- Spirit
- Race
- Human
- Class
- Fighter
- Gender
- male
- Alignment
- Chaotic Good
- Faction
- Kurogane Shogunate
- Size
- Medium
- Armor class
- 18
- Hit points
- 250
- Speed
- 30
- Challenge
- 15
- Experience
- 13000
- Languages
- Common, Celestial, Infernal
- Senses
- Darkvision 60 ft., Truesight 30 ft., Passive Perception 14
- Skills
- Acrobatics, Deception, Insight, Stealth
Biography
In the volcanic forges of the Kurogane Shogunate, a master blacksmith plunged a rapier into molten black iron while chanting the name of a young warrior who had survived the impossible. Yūjin Shinrinryū had returned from a scouting mission through Nouvelle Vinland half-broken, carrying within him the speed of wind and the fury of thunder—and the blacksmith knew that only by binding these contradictions into steel could the blade ever match its wielder. As the iron cooled, something extraordinary happened: the metal refused to be merely a tool. The countless nights Yūjin spent running through enemy territory, the precise timing he'd learned from arcade games in forgotten villages, the clever tricks that let him outwit opponents twice his size—all of these memories seeped into the blade like water into ancient stone. When Yūjin first drew the rapier, he found himself face-to-face with Hiryū, a spirit who wore the swagger of a Norse-French musketeer and spoke with the mischievous grin of someone who knew every shortcut and backdoor in existence. Hiryū was not some dark reflection or evil twin; instead, he was the younger brother Yūjin never had, the embodiment of all the cunning humor and trickster instinct that the stoic strategist kept locked away beneath layers of discipline and pride. Hiryū carries within his spectral form the echoes of a thousand small rebellions—the memory of stopping a restaurant timer at precisely ten seconds, the Scout knots that saved lives in darkness, the unbalanced one-foot stance that no opponent could predict, and the deeply embarrassing penguin song from Yūjin's youth that he delights in bringing up at the worst possible moments. Where Yūjin sees only the next calculated move, Hiryū sees the opening that shouldn't exist, the unconventional path that wastes no motion and strikes with perfect timing. Their philosophy flows as one: "Run like the wind, strike like thunder," a mantra born from survival and refined through endless practice. T
Attributes
Strength
14, modifier 2
Dexterity
20, modifier 5
Constitution
20, modifier 5
Intelligence
16, modifier 3
Wisdom
18, modifier 4
Charisma
22, modifier 6
Actions
Thunderous Strike
Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 3d10 + 5 slashing damage plus 2d6 thunder damage.
Cunning Feint
Hiryū can force an enemy to make a DC 18 Wisdom saving throw or become incapacitated until the end of their next turn.
Wind's Embrace
Hiryū can teleport up to 30 feet to an unoccupied space he can see, leaving behind an afterimage that distracts enemies (disadvantage on attacks against allies until the end of their next turn).
Dance of Blades
Hiryū makes two melee attacks against different targets within reach.
Mischief's Gambit
Hiryū can create an illusory duplicate of himself that lasts until the end of his next turn. The duplicate can distract enemies, granting advantage on the next attack against them.
Phantom's Laughter
Hiryū unleashes a wave of laughter; all creatures within 30 ft. must succeed on a DC 18 Wisdom saving throw or be incapacitated until the end of their next turn.
Abilities
Trickster's Insight
Hiryū can reroll any failed attack roll or saving throw once per turn.
Spirit of the Blade
Hiryū's attacks deal an additional 2d6 thunder damage.
Cunning Movement
Hiryū can move through enemy spaces without provoking opportunity attacks.
Echoes of the Past
Hiryū gains advantage on checks related to stealth and deception.
Saving throws
strength
8
dexterity
10
intelligence
8
wisdom
9
Legendary actions
Swift Strike
Hiryū can make one melee attack as a legendary action.
Unpredictable Movement
Hiryū can move up to half his speed without provoking opportunity attacks.
Thunderous Roar
Hiryū emits a thunderous sound; all creatures within 60 ft. must succeed on a DC 18 Constitution saving throw or take 4d8 thunder damage and be pushed 10 ft. away.
Damage resistances
Slashing
Piercing
Damage immunities
Poison
Psychic
Condition immunities
Charmed
Frightened
Gallery




Public creation
Worldbuilding Context
Hiryū No Tonnerre (飛竜の雷) is a public character profile shared by Kuromegane2through Summon Worlds. This view keeps the creator's public information together with clear attribution and links to any connected public Worlds; it does not add story details beyond the fields shown on the profile.
This creation is connected to The World Of Aetheryon, where its details can support consistent characters, locations, lore, and ongoing storytelling across the wider World.
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