Live in private beta
Real steel in every chest.
Open a chest and draw one real piece of arms or armor, from a named maker at its retail price. Keep it, ship it home or sell it back.
Public release coming soon.
Watch an opening.
Every opening is a ritual. Hold to break the seal, watch the piece rise into the light and read its facts one by one. The rarity comes last.
A chest, a chance, a piece of history.
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Pick a chest
Five chests, from $100 to $5,000. Each shows its price, its odds and what it holds before you open it.
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Break the seal
Pay in USDC and hold to break the seal. The draw is made on chain, with randomness anyone can verify.
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Meet your piece
It rises with its origin, its maker and where it was forged. Then its rarity, in its own light.
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Make it yours
Keep it in your vault, ship it home, or sell it back for USDC.
Choose your stakes.
From camp steel to royal armor. Every chest has odds of its own, shown before you open it.
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Squire's Coffer
Steel for the field
$100
Daggers, helms, shields and arming swords from working smiths, with a long shot at a master's blade.
40% of pulls beat the chest
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Knight's Chest
Arms of the order
$250
Longswords, helms, crossbows and polearms from named makers, and a shot at a custom harness.
30% of pulls beat the chest
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Warlord's Hoard
Arms of captains
$1,000
Albion swords, plate harness and master-made crossbows, with commissions from master smiths at the top.
24% of pulls beat the chest
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Shōgun's Lacquer Box
Limited · The Japanese tradition
$2,500
Katana, tantō and lacquered armor, up to blades from Japan's licensed smiths. 500 boxes only.
30% of pulls beat the chest
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King's Reliquary
Museum grade
$5,000
Master-made harness, swords and Japanese blades, and the five relics of the house, up to $1.2M.
22% of pulls beat the chest
Rarity is worth against the chest.
Every new piece carries its maker's retail price. Its rarity tells you what it is worth against the chest you opened.
- Common40 to 80% of the price
- UncommonOver the price, up to 1.5 times
- Rare1.5 to 2.5 times the price
- Epic2.5 to 6 times the price
- Legendary6 to 20 times the price
- Relic20 times the price and more
New from working makers.
Hundreds of new pieces from 59 makers in 16 countries, each at its retail price. Everyday steel, master-smith commissions and blades from Japan's licensed smiths.
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Yoshimitsu Tachi, 72 cm
Ono Yoshimitsu
Forged in Japan
$82,211
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Roman Cavalry Helmet with Mask
Deepeeka
Forged in India
$245
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Otomo Sorin Armor
Marutake Sangyo
Forged in Japan
$56,290
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Viking Axe
Darksword Armory
Forged in Canada
$225
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The Svante Nilsson Sture
Albion Swords
Forged in the United States
$4,520
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The Skye Targe
Douglas Shaffer (Targe by Douglas)
Forged in the United States
$600
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German Gothic Full Plate Armor
Steel Mastery
Forged in Ukraine
$20,187
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Extra III Turkish Horn Bow
Grózer Archery
Made in Hungary
$1,402
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Main Gauche Dagger
Jordan LaMothe
Forged in the United States
$20,000
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Boeotian Helm
Manning Imperial
Forged in Australia
$845
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Vendel Sword (No. 103)
Templ (Patrick Bárta)
Forged in the Czech Republic
$13,461
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17thC Schnepper Crossbow
Tod's Workshop / Tod Cutler
Forged in the United Kingdom
$6,340
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Gold Etched Suit of Armour
Marto
Forged in Spain
$9,995
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Takeda Shingen Kabuto
Marutake Sangyo
Forged in Japan
$9,410
Makers are named for their own work. Caliburn is not affiliated with them.
Five relics at the very top.
Antique arms and armor crown the King's Reliquary, up to a complete field armor from Augsburg at $1.2 million.
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Augsburg Field Armor
Antique · Holy Roman Empire
$1.2M
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Embossed Close Helmet
Antique · Duchy of Milan
$650K
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Golden Saber of the Ottoman Court
Antique · Ottoman Empire
$360K
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Etched Parade Shield
Antique · Holy Roman Empire
$210K
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Suji Kabuto with Gilt Horns
Antique · Japan
$140K
Wonder in the pull, clarity in the ledger.
The piece, the odds and the offer. In plain sight.
- OwnershipYours on chain.
- Every piece is an NFT on Solana with a certificate. The certificate's fingerprint is stored on chain, so anyone can check the record.
- OddsRead before you open.
- Each chest publishes its odds, and the program holds them. Every draw uses verifiable randomness on chain and can be checked from its receipt.
- Sell-backAn offer you can count.
- Sell-back is 85 to 92% of the value for 3 days, by chest, then 75% for 27 days and 70% after, while the buyback fund lasts.
- ShippingFrom vault to doorstep.
- Shipping is quoted for the piece and its destination before you confirm. Until it is packed you can cancel, and the fee comes back.
For makers and shops
Your name rises with every piece.
Caliburn puts forged arms and armor in front of a new crowd of collectors, one reveal at a time.
Tell us about your workshop-
At your retail price.
Every piece carries the retail price you list, and that price is what it is worth in the chest.
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Named on every reveal.
Your name and the country each piece was forged in appear in the reveal, on its certificate and on its NFT.
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A new crowd of collectors.
Caliburn is built for people who already open card packs online. Here they open chests, and meet your work in the light.
Private beta
Public release is coming soon.
Caliburn is live in private beta. Leave your email and we will write when it opens to everyone.
Have an invite code?
You are on the list.
We will write when Caliburn opens to everyone.