Blacksmith's WhetstoneStack Size: 20Improves the quality of a weaponRight click this item then left click a weapon to apply it. Has greater effect on lower-rarity weapons. The maximum quality is 20%.
A Blacksmith's Whetstone is a currency item that can be used to improve the quality of a weapon. Each whetstone applied to a weapon will increase its quality by up to 5% depending on its rarity.
The Master ArtisanThe Master Artisan520x Quality CurrencyPerfection is the standard, excellence will be handled on a case by case basis.
Random quality currency x20
A
1
The VoidThe Void1Reach into the Void and claim your prize.
Random divination card set exchange
A
Blacksmith's Whetstones can be obtained from slain enemies or purchased from some vendors. For example, Greust in the Forest Encampment and Hargan in The Sarn Encampment (Act 3) and (Act 8) will sell a Blacksmith's Whetstone in exchange for three Armourer's ScrapsArmourer's ScrapStack Size: 40Improves the quality of an armourRight click this item then left click an armour to apply it. Has greater effect on lower-rarity armours. The maximum quality is 20%.. Blacksmith's Whetstones may also be obtained from Artisan's Strongboxes.
One can sell any weapon with 20% quality to any vendor in exchange for a Blacksmith's Whetstone.
One can sell any number of weapons whose total quality is at least 40% to any vendor in exchange for a Blacksmith's Whetstone.
One can trade Hargan 8 Blacksmith's Whetstones in exchange for a Glassblower's BaubleGlassblower's BaubleStack Size: 20Improves the quality of a flaskRight click this item then left click a flask to apply it. Has greater effect on lower-rarity flasks. The maximum quality is 20%.. One can also sell a Blacksmith's Whetstone to any vendor for 4 Scrolls of WisdomScroll of WisdomStack Size: 40Identifies an itemRight click this item then left click an unidentified item to apply it..
Spending
Quality Increase by Rarity
Item Rarity
% Increase
Normal
5
Magic
2
Rare
1
Unique
1
Every 1% quality improves the chance of getting more sockets or links by 1%.[1]
Many players also save Blacksmith's Whetstones for Stone HammersStone HammerOne Handed Mace Physical Damage: 15-27 Critical Strike Chance: 5.00% Attacks per Second: 1.30 Weapon Range: 1.1 metresRequires Level 15, 56 Str15% reduced Enemy Stun Threshold, Rock BreakersRock BreakerOne Handed Mace Physical Damage: 37-69 Critical Strike Chance: 5.00% Attacks per Second: 1.15 Weapon Range: 1.1 metresRequires Level 41, 134 Str15% reduced Enemy Stun Threshold, or GavelsGavelOne Handed Mace Physical Damage: 54-101 Critical Strike Chance: 5.00% Attacks per Second: 1.15 Weapon Range: 1.1 metresRequires Level 60, 212 Str15% reduced Enemy Stun Threshold for the Cartographer's Chisel recipe.
Related items
The Sharpened BladeThe Sharpened BladeThe metal softens beneath the stone, reshaping with great ease.You will greatly enhance the quality of a weapon with a single Blacksmith's Whetstone.Right-click to add this prophecy to your character.
Version history
Blacksmith's Whetstones were previously known as "Whetstone"s.
Act 5 to 10 NPCs also sell Blacksmith's Whetstone. [Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.]
Emperor's Luck
Emperor's Luck
55x CurrencyThe house always wins.
The Master Artisan
520x Quality CurrencyPerfection is the standard, excellence will be handled on a case by case basis.
The Void
1Reach into the Void and claim your prize.
Armourer's ScrapsArmourer's ScrapStack Size: 40Improves the quality of an armourRight click this item then left click an armour to apply it. Has greater effect on lower-rarity armours. The maximum quality is 20%.
. Blacksmith's Whetstones may also be obtained from Artisan's Strongboxes.
Glassblower's BaubleGlassblower's BaubleStack Size: 20Improves the quality of a flaskRight click this item then left click a flask to apply it. Has greater effect on lower-rarity flasks. The maximum quality is 20%.
. One can also sell a Blacksmith's Whetstone to any vendor for 4 
Scrolls of WisdomScroll of WisdomStack Size: 40Identifies an itemRight click this item then left click an unidentified item to apply it.
.
Stone HammersStone HammerOne Handed Mace
, 
Rock BreakersRock BreakerOne Handed Mace
, or 
GavelsGavelOne Handed Mace
for the Cartographer's Chisel recipe.
The Sharpened BladeThe Sharpened BladeThe metal softens beneath the stone, reshaping with great ease.You will greatly enhance the quality of a weapon with a single Blacksmith's Whetstone.Right-click to add this prophecy to your character.