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* Gray stone.png
Name whetstone
Appearance gray stone
Damage vs. small 1d3
Damage vs. large 1d3
To-hit bonus +0
Weapon skill sling
Size one-handed
Base price 45 zm
Weight 10
Material mineral

In SLASH'EM, a whetstone is a gray stone that can remove rust and negative enchantments (up to +0) from an edged weapon or a pick-axe.[1] This action requires a source of water (fountain, sink, toilet or pool). Stand at some water and apply the whetstone.

The whetstone's beatitude determines the chance of success. An artifact weapon will resist the whetstone, lowering this chance.[2]

stone chance of success with artifact
blessed whestone 1/3 1/6
uncursed whetstone 1/4 1/7
cursed whestone 1/6 1/9
other gray stone 0 0

If you fail, you can try again. If you always fail, your gray stone is not a whetstone. If you succeed, you remove one level of rust; or if there was no rust, you remove one point of negative enchantment.


Note that a whetstone cannot remove corrosion.

If you try to use a whetsone with no water other than potions (BUC status does not matter), you get the message, "Better not waste bottled water on that."

If your gray stone is not a whetstone, then you will try to sharpen the edge, but your attempt will always fail.


Author Pasi Kallinen
Download link
Bilious PatchDB 34

The whetstone first appeared in a patch for NetHack 3.4.0. Then SLASH'EM 0.0.7E0 included this patch.[3]