Path of Exile Tainted Blacksmith's Whetstone Wiki & Tips

What is Tainted Blacksmith's Whetstone in Path of Exile?

A Tainted Blacksmith's Whetstone is a currency item in Path of Exile that randomizes the quality of a corrupted weapon, with the maximum random quality capped at 20%. This item was introduced in the 3.19 Lake of Kalandra expansion alongside the Beyond league mechanics. The Tainted Blacksmith's Whetstone is part of the broader category of Tainted Currency items tied to Beyond content, offering a specialized crafting tool for improving corrupted weapons. It can only be applied to corrupted weapons and is used by right-clicking the whetstone and then left-clicking the target corrupted weapon.

Where & How To Get Tainted Blacksmith's Whetstone in PoE?

Tainted Blacksmith's Whetstone drops from Beyond monsters and is guaranteed from Beyond bosses, including specific monsters such as Beidat, Archangel of Death, Demon Beast, and Demon Ghast.

How to Fastest Farm Tainted Blacksmith's Whetstone in PoE?

The fastest way to farm Tainted Blacksmith's Whetstone is by running maps influenced by the Beyond mechanic, where Beyond monsters and bosses spawn. These monsters, such as Beidat, Archangel of Death, Demon Beast, and Demon Ghast, drop Tainted Blacksmith’s Whetstones with a guaranteed drop from Beyond bosses. To optimize farming speed:

• Run fast-tier maps with Beyond influence to maximize Beyond monster and boss encounters.

• Prioritize map mods and Atlas passives that increase Beyond monster density.

• Focus on killing Beyond bosses quickly, as they guarantee drops of Tainted Currency including the Blacksmith’s Whetstone.

• Use efficient movement and clear speed builds to maximize the number of maps cleared per hour.

• Trading with other players is also a viable alternative if you want to skip farming.

What is the Drop Rate of Tainted Blacksmith's Whetstone in PoE?

Tainted Blacksmith’s Whetstones have a guaranteed drop from Beyond bosses and a chance to drop from Beyond monsters in influenced maps. While exact drop rates from monsters are not officially confirmed, the guaranteed drop from bosses means each boss kill yields at least one Tainted Currency item, potentially including the Blacksmith’s Whetstone. From monsters, the drop chance is significantly lower. Therefore, farming Beyond bosses is the most reliable way to obtain Tainted Blacksmith’s Whetstones.

What is the Best Use of the Tainted Blacksmith's Whetstone in PoE?

The best use of a Tainted Blacksmith’s Whetstone is to randomize the quality of corrupted weapons, which can improve weapon performance by increasing quality up to a maximum of 20%. This is especially useful for crafting endgame corrupted weapons that benefit from high quality. Since it only works on corrupted weapons, it’s often used in combination with corrupted rares or uniques targeted for high-quality upgrades.

Also, Tainted Blacksmith’s Whetstones are part of the broader “Tainted Currency” system, often used for both crafting and gambling on corrupted items. You can roll quality, sockets, links, and modifiers to optimize or gamble for powerful gear. This currency is especially valuable in crafting builds that require corrupted weapons with specific stats or socket configurations.