Blacksmith's Whetstone

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.

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 . Blacksmith's Whetstones may also be obtained from Artisan's Strongboxes.

Vendor recipes

Blacksmith's Whetstone can also be obtained with the following vendor recipes.

Result	Ingredients
1×	any piece of normal weapon with 20% quality
1×	any number of pieces of weapon , of any rarities, whose total quality is at least 40%

One can trade Hargan 8 Blacksmith's Whetstones in exchange for a . One can also sell a Blacksmith's Whetstone to any vendor for 4 .

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%.

Many players also save Blacksmith's Whetstones for , , or for the Cartographer's Chisel recipe.

Version history

Version	Changes
3.0.0	(not in patch notes) Act 5 to 10 NPCs also sell Blacksmith's Whetstone
2.0.2	Added Blacksmith's Whetstones, Armourer's Scraps and Glassblower's Baubles to Kira in Highgate.
0.9.5	Renamed from "Whetstone" to "Blacksmith's Whetstone"
0.9.3e	Decreased the drop rate of Whetstones and Armour shards by 8%.
Unknown	Introduced to the game