Kang Jin Loong
Kang Jin Loong — The Encounter
Coiling river-dragon of the eastern waters, whiskered and storm-fed · a boss your table can run with almost no prep. SRD 5.1-compatible.
Who Is Kang Jin Loong
In the eastern annals the loong is no hoarder of gold but a keeper of waters, and Kang Jin Loong is counted among the elder kind that govern the swelling of rivers and the breaking of monsoon. It is said to sleep beneath flood-ponds in the dry months, coiled tight as a fist, and to rise whiskered and roaring when the rains come due. Farmers once left rice-wine and carp at its shrine-pools, for a slighted river-dragon withholds the rain and a pleased one fills the paddies. Sages record that its breath is the cold of mountain snowmelt and that storms gather at its passing as iron filings to a lodestone. It bears no wings yet walks the clouds, for the dragon's flight is a matter of dignity rather than feathers. To strike it is to insult the river itself, and the river is patient, and the river always returns.
Run Kang Jin Loong in Sixty Seconds
- It is a controller, not a nuke. Its job is to grapple-and-isolate one PC per round with Constrict, not to spread damage. Lead with the grapple, then punish the trapped target.
- Open with the right tool. If the party is clustered, open with Drowning Surge for cone damage plus knockback and prone. If spread out, open with Constrict on the lowest-AC body it can reach.
- Kill-priority: anything it has grappled. A restrained creature gives the dragon advantage on every other melee attack, so it dumps its full Multiattack into the captive. Casters and healers are top targets.
- When bloodied, fight near water. Use Tidal Recoil and Storm Veil to slip into mist or river, regain Stealth, and re-engage from an unexpected angle. It does not flee outright; the river is patient.
- Three ways to run it: a wrathful shrine-guardian flooding a temple, a neutral river-spirit that stops fighting if appeased with offerings, or the disruptive add-on swimming beside a larger flagship boss.
Kang Jin Loong
Large dragon, lawful neutral
CR 11 · 7,200 XP · GUIDELINEAmphibious. The dragon can breathe air and water.
Serpentine Coils. Signature. The dragon's body is a single long coil. It can move through any space at least 5 feet wide without squeezing, ignores difficult terrain, and a creature it grapples is restrained. While it has a creature grappled, the dragon has advantage on melee attack rolls against any other target within reach.
Storm Veil. Mist and rain trail the dragon. The area within 15 feet of it is lightly obscured to creatures that rely on sight, and the dragon has advantage on Dexterity (Stealth) checks made in rain, fog, or near open water.
Actions
Multiattack. The dragon makes one Bite attack and two Claw attacks. It can replace the Bite with a use of Constrict if a target is grappled or unrestrained within reach.
Bite. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 17 (2d12 + 5) piercing damage plus 7 (2d6) cold damage.
Claw. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.
Constrict. Melee Weapon Attack: +9 to hit, reach 10 ft., one Large or smaller creature. Hit: 14 (2d8 + 5) bludgeoning damage, and the target is grappled (escape DC 16). The dragon can grapple one creature at a time.
Drowning Surge (Recharge 5-6). The dragon exhales a torrent of freezing river-water in a 30-foot cone. Each creature there makes a DC 16 Dexterity saving throw, taking 38 (7d10) cold damage on a failed save, or half as much on a success. A creature that fails is also pushed 15 feet away from the dragon and knocked prone.
Bonus Actions & Reactions
Tidal Recoil. Reaction. When a creature the dragon can see hits it with a melee attack, the dragon may slip back 20 feet without provoking opportunity attacks, leaving a slick of water in its wake (that space becomes difficult terrain until the end of its next turn).
A river-spirit given scale and whisker, its lavender coils glisten with permanent rainfall as it rears above the wet stone of a flooded shrine.
Kang Jin Loong, Bound
Companion · acts on your initiative
Bound · GUIDELINELeaping Ascent (signature). Once per turn when the carp-spirit moves at least 20 feet straight toward an enemy through or above water, its next attack this turn deals an extra 9 (2d8) damage.
Actions
Surging Tail. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 14 (2d8 + 5) bludgeoning damage, and the target must succeed on a DC 14 Strength save or be pushed 10 feet.
Reactions
Spray. When an ally within 30 feet takes fire damage, the carp-spirit douses them, reducing that damage by 10 (3d6).
A great koi half-changed toward dragonhood, scales bright as wet copper, that swims through air as easily as flood-water.
Guideline numbers — formula-tuned and read from the miniature's design, not yet table-proven. Tell us how it ran in the comments.
How It Fights — by Tier
Same creature, scaled threat. The traits never change; only the numbers move.
Open with Drowning Surge to scatter a clustered party, then Constrict the squishiest caster and drag them away. Kill-priority is healers it can isolate in its coils. Downscaled hard for low levels; still hits like a freight train, so warn the table before the breath recharges.
Lead with Constrict on the front-line tank to restrain it, then Bite-and-Claw the same target with advantage. Use Tidal Recoil to break melee and reposition near water. Pair it with a flooded-temple ambush or a bigger boss; it is the brawler add-on, not the centerpiece.
Open by grappling the melee tank, then full Multiattack with advantage off Serpentine Coils. Drowning Surge on any cluster the moment it recharges; Tidal Recoil to deny opportunity attacks and pull the party through difficult terrain. Pair it with a flagship boss as the disruptive controller piece that locks down one PC every round.
Put Kang Jin Loong on the table
Download the presupported STL and run the fight tonight — the model, and the encounter that comes with it.
Get the STL on MyMiniFactory →Clay Cyanide Companion Rules v1
How a bound creature acts
- A companion acts on its owner's initiative, immediately after the owner.
- It uses the Companion block above — roughly ×0.6 HP and damage, no recharge abilities, and at most one reaction trait.
- It moves freely; it takes its Action only while its owner is conscious.
- At 0 HP a companion is broken, not dead — restored on a long rest unless your table rules otherwise.
Original Clay Cyanide material © Clay Cyanide LLC — explicitly not the non-SRD official sidekick rules.
Questions, Asked at the Table
What CR is Kang Jin Loong?
Its home build is CR 11 (7,200 XP) for an 11th-15th level party. Drop-in stat blocks are provided for tiers 1 (levels 1-4) and 2 (levels 5-10); the traits stay identical and only the numbers move.
Can Kang Jin Loong be a companion or ally?
As a full dragon it is too potent to ride along as a sidekick, but it makes a superb patron or quest-giver. For an allied piece at the table, use the bundled Carp-Spirit companion, a half-dragon koi that fights at your side without overshadowing the party.
Does it have a breath weapon or fly?
Yes to both. Drowning Surge is a Recharge 5-6 cone of freezing river-water dealing 38 (7d10) cold with knockback and prone. It has no wings but flies (hover) 40 ft. as a dignity of its kind, and swims 60 ft.; it is amphibious and immune to cold.
Tell Us How It Ran
This work includes material taken from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC and available at dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License available at creativecommons.org/licenses/by/4.0/legalcode.
Clay Cyanide Miniatures is not affiliated with, endorsed, sponsored, or specifically approved by Wizards of the Coast LLC. This content is compatible with the fifth edition of the world's most popular fantasy roleplaying game. Companion rules, lore, names, and original mechanics © Clay Cyanide LLC.
Technical Specifications
32mm, 75mm
STL, Pre-supported STL
Standard or ABS-like resin, 0.05mm layer height
Yes — ready to print, optimized supports included
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