Upgrade: Sharp (Bladestone)

In Game Description

Ore wet with dew. Enhances knives, curved swords, spears, and so on.

An ore used to make weapons that take skill to rend enemies. Weapons can be strengthened by Bladestones up to a maximum of level 5. Using bladestones to enhance a weapon can cause them to become brittle, so exercise caution.

General Information

Item Value
Special Damage Type None
Upgrade path starts +0 (+6 for Spiked Shield)
Maximum Upgrade Level +5
Notes Increases DEX bonus, lowers STR Bonus

Bladestone ore may only be obtained from Skeletons in the Shrine of Storms. Notably, the Pure Bladestone necessary to complete the upgrade path is only attainable as a rare drop from two of the Dual Katana Black Skeletons present in this area (see the table below for their locations). The chances of this dropping are, like all drops, affected by World Tendency; however, a glitch in the game's programming means that if the WT is Black but is not quite yet Pure Black, the odds of the Pure Bladestone drop become astoundingly low - in the area of 0.004%.1 As such, ensure your World Tendency is completely black before attempting to farm the Pure Bladestone - otherwise you may never find it!


Image Name Location
splinter_bladestone.png Shard of Bladestone 4-x Skeletons (very common)
chunk_bladestone.png Chunk of Bladestone 4-x Skeletons
4-1 Dual Katana Black Skeleton (turn left after first trap in passage under 2 Skeleton Archers)
4-1 Dual Katana Black Skeleton (just before the Adjudicator's chamber)
4-2 Dual Katana Black Skeleton in hidden passage (often)
4-2 Golden Skeletons (uncommon)
4-2 Black Phantom Dual Katana Black Skeleton (Black World Tendency) (more often than regular black skeleton)
4-2 Black Phantom Golden Skeletons (Black World Tendency)
pure_bladestone.png Pure Bladestone 4-2 Black Phantom Dual Katana Black Skeleton (requires Pure Black World Tendency) - extremely rare
4-2 Dual Katana Black Skeleton in hidden passage - very extremely rare - video

Bonus Damage

Level Strength Dexterity Magic Faith Extra
+ 1 E C - - -
+ 2 E C - - -
+ 3 E A - - -
+ 4 E A - - -
+ 5 E S - - -

Confirmed Weapons

weapon max upgrade2
Broad Sword 25/9/1
Claws 15/6/1
Dagger 15/6/1
Estoc 25/9/1
Falchion 25/9/1
Flamberge 34/12/1
Kilij 25/9/1
Mail Breaker 15/6/1
Parrying Dagger 15/6/1
Pickaxe 25/9/1
Rapier 20/7/1
Scimitar 20/7/1
Secret Dagger 15/6/1
Short Spear 20/7/1
Shotel 25/9/1
Spiked Shield 25/9/1
Spiral Rapier 25/9/1
Uchigatana 34/12/1
War Pick 25/9/1
War Scythe 25/9/1
Winged Spear 25/9/1
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