Grindstone

In a corner of the courtyard. Use it for a boost to your attack power.

Near a fireplace in the courtyard. Use it for a boost to your attack power.

In a corner of the main room. Use it for a boost to your attack power.

Get a boost to your weapon damage here.

Climb a ladder near the drawbridge to find this Grindstone.

Between the houses. Gain a boost to your attack power here.

Near the amateur blacksmith. Gain a boost to your attack power here.

Near the Baron’s castle. Get a boost to your attack power here.

Next to the path, near some market stalls.

Near the blacksmith. Gain a boost to your attack power here.

Inside the small camp near the Eternal Fire Chapel.

Beneath a wooden structure at the top of a hill. Use it for an attack power boost.

Outside the house. Get a boost to your attack power here.

In the corner of the Blacksmith (Master)’s shop, behind the counter. Use it for a boost to your attack power.

Next to a campsite. Gain a boost to your attack power here.

In the corner of Kaer Trolde’s outdoor smithing area. Use it for a boost to your attack power.

In the corner behind the Blacksmith (Amateur). Use it for a boost to your attack power.

Outside the building, near the path. Use it for a boost to your attack power.

Next to the Armorer (Journeyman). Use it for a boost to your attack power.

Next to the western entrance to Larvik. Use it for a boost to your attack power.

In the middle of the village. Use it for a boost to your attack power.

Next to a bridge in the Abandoned Site. Use it for a boost to your attack power.

Behind the Blacksmith (Amateur).

Near the Armorer (Journeyman). Use it for a boost to attack power.

In the smithing area of the cave. Use it for a boost to your attack power.

Near the Armorer (Journeyman). Get a boost to your attack power here.

On an elevated part of the quarry. Use it for a boost to your attack power.

Next to the red house. Use it for a boost to your attack power.

Beneath a gazebo in the Trading Post. Use it for a boost to your attack power.

Appears after spending 1000 Crowns to have a grindstone added to the grounds of Corvo Bianco.

Near the entrance to Oxenfurt’s docks. Boost your attack power here.

Next to the chest filled with witcher gear diagrams.

In a smithing area of the Hanse Base.

Grindstones (or sharpening stones) increase 20% of the power of your weapon for 15 minutes. They can typically be found in a area where there are blacksmiths or armorers, but the presence of these craftsmen is not strictly necessary.

Sharpen your blade here to do more damage.

Next to the Blacksmith (Amateur). Use the stone to gain a temporary bonus to weapon damage.

Next to the Blacksmith (Amateur). Use it for a boost to your attack power.

Use the stone to gain a temporary bonus to weapon damage.