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A rare weapon whose origin is the ancient ocean. One can hear the sound of the ageless waves as one swings it.

Serpent Spine (Chinese: 螭骨剑 "Chi (Hornless Dragon) Spine Sword") is a Liyue claymore.

Ascensions and Stats

Level Base
2nd Stat
(CRIT Rate)
0✦ 1/20 42 6%
20/20 109 10.6%
Ascension Cost (0 → 1)
Item Mora.png 5,000 Mora
1✦ 20/40 135 10.6%
40/40 205 15.5%
Ascension Cost (1 → 2)
Item Mora.png 15,000 Mora
2✦ 40/50 231 15.5%
50/50 266 17.9%
Ascension Cost (2 → 3)
Item Mora.png 20,000 Mora
3✦ 50/60 292 17.9%
60/60 327 20.3%
Ascension Cost (3 → 4)
Item Mora.png 30,000 Mora
4✦ 60/70 353 20.3%
70/70 388 22.7%
Ascension Cost (4 → 5)
Item Mora.png 35,000 Mora
5✦ 70/80 414 22.7%
80/80 449 25.1%
Ascension Cost (5 → 6)
Item Mora.png 45,000 Mora
6✦ 80/90 475 25.1%
90/90 510 27.6%

Total Cost (0 → 6)

Item Mora.png 150,000 Mora


A greatsword fashioned from the spine of a great sea monster, each eerie segment of bone a tale unto itself.
In the past, seamen would use the bones of such monsters as figureheads,
And with them frighten the beasts who dwelt in the deep sea, and who envied the land—dwellers.

In the stormy oceans of the ancient past, those who put out to sea would often never be seen again.
The carefree sea shanties of today were, in years long gone, farewell songs that left people in mournful silence.
There was a greatsword-wielding captain in those days who enjoyed drinking and making merry before a voyage. When people questioned him, he laughed and said:
"I know myself. What is wine and song to me? Worry not. Once the sea and winds are right..."
But he would never finish that statement. He would only raise his mug, and call for all around to have another drink.

Then, the day when the sea and winds came together arrived at last, and the stern of the great vessel rode them as it sailed.
Deep into the misty sea it went, far across the darkening waves, into the ocean that teemed with sea creatures.
And at last, neither the singing skipper nor his ship would ever return to the harbor ringed by mountains.
After many days, the corpse of a sea monster from the deep was beached upon the shore by the waves.
Brilliant white bone shone out from a great gash torn into it by a greatsword. Its blood had long been washed clean.

"When the sea and winds are right, I will go forth to sea and avenge her. O maiden charmed by the tidal song."
"So what if I sleep with the fishes? That way, I will be able to send my sea shanties into the deep where she dwells."

Today, the seas are no longer plagued by giant creatures that emerge from the storm and rain down devastation upon the waves.
The practice of mounting skeletons of sea monsters onto the bows of ships has also been lost with their extinction.
But when one sails far abroad, sometimes one can still hear the spine-chilling sound of thunder rumbling in the depths...





Other Languages

LanguageOfficial NameLiteral Meaning
EnglishSerpent Spine
Chīgǔ Jiàn
Chi-Bone Sword
Chīgǔ Jiàn
Chiryuu no Ken[!]
Sword of Chi
Imugi Geom
Imugi Sword[• 1]
SpanishMédula de la Serpiente MarinaMarrow of the Sea Serpent
FrenchOssature du dragonSkeleton of the Dragon[• 2]
RussianМеч драконьей кости
Mech drakon'yey kosti
Dragonbone Sword
ThaiSerpent Spine
VietnameseKiếm Li CốtChi-Bone Sword
GermanKnochenschwertBone Sword
IndonesianSerpent Spine
PortugueseEspinha Dorsal da SerpenteSerpent's Backbone
  1. Korean: Imugi is the Korean myth and Legend's Serpent which cannot be Dragon.
  2. French: "Ossature" can mean "bone structure," or can be used as a synonym for "skeleton."

Change History

Released in Version 1.0