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Weapon sharpness does not decrease for a set time after sharpening.

Multi-language

	English	Chinese (simplified)	Chinese (traditional)	Japanese
Skill name	Protective Polish	刚刃打磨	剛刃研磨	剛刃研磨
Deco name	Sharp Jewel 2	刚刃珠【2】	剛刃珠【2】	剛刃珠【2】
Deco name	Sharp Jewel+ 4	刚刃珠 II【4】	剛刃珠 II【4】	剛刃珠 II【4】

Skill info

Skill name	Skill description	Max level	Skill effects
Protective Polish	Weapon sharpness does not decrease for a set time after sharpening.	3	Lv1. Effect lasts 30 seconds. Lv2. Effect lasts 60 seconds. Lv3. Effect lasts 90 seconds.