Quick Answer

You buy Diamond Blade from Umbawa the Merchant for 25 Ancient Coins after handing over Silver Duck. It has Power 16, uses Slash or Impact depending on your attack, and has a fast secondary swing.

How do you unlock and buy Diamond Blade?

You unlock Diamond Blade in the shop by giving Silver Duck to Umbawa the Merchant.

Hand over Silver Duck

Bring Silver Duck to Umbawa the Merchant and give him the figurine. He makes new wares available after accepting it.

Check the expanded stock

Look for Diamond Blade among the newly available weapons. The unlock comes from handing over Silver Duck.

Buy Diamond Blade

Purchase it for 25 Ancient Coins. You can compare that price with the other Queen's Domain weapons before spending your coins.

The merchant's exact location and the route to Silver Duck are still being added.

What are Diamond Blade's stats and damage types?

Diamond Blade has Power 16 and deals Slash or Impact depending on the attack you use.

AttributeValue
WeaponDiamond Blade
Power16
Damage typesSlash / Impact, depending on attack
SellerUmbawa the Merchant
Price25 Ancient Coins
Shop unlockHand over Silver Duck
Special attackFast swing

The weapon has a diamond-shaped blade, with wide sweeping attacks. Its damage types change with the attack; you should not read Slash / Impact as simultaneous damage. The exact damage type for each move is still being added.

For progression details after buying it, see how to upgrade weapons.

How does Diamond Blade's special attack work?

Diamond Blade's secondary attack is a fast swing, activated with right-click.

The motion resembles striking with a fan. The special attack's formal name is still being added.

Use the best weapons guide when deciding what else to carry.

FAQ

You need Silver Duck to unlock the shop stock containing Diamond Blade.