Whetstone III

Whetstone III is an epic booster in Crystal Idle. Crafted with Smithing from level 85: Mithril ingot x3, Energy Core, Ethereal plank.
+8% melee auto-attack damage for 30 min of fighting.

Type: BoosterRarity: EpicSells to the shop for 800 gold

How to get

Crafted by

Skill	Level	XP	Time	Ingredients
Smithing	85	1,297	26 s	Mithril ingot x3Energy CoreEthereal plank -> x2

Same type: Booster

Ambush Kit IArcane Edge IArcane Focus IBattle Ration ICamo Salve IForged Plates IMaster Bowstring IRune Charge IHearty Meal IThief's Luck IWarding Embroidery IWhetstone IAmbush Kit IIArcane Edge IIArcane Focus IIBattle Ration IICamo Salve IIForged Plates IIMaster Bowstring IIRune Charge IIHearty Meal IIThief's Luck IIWarding Embroidery IIWhetstone II

Data generated from the game code, version 3.7.0 (2026-11-01).