For each 3 Refine Levels:
Critical +4
Increases Critical Damage by 5%.
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Refine Level +9:
Increases Critical Damage by additional 10%.
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Refine Level +11:
C.Rate +5
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When enchanted on Two-Handed Sword, Two-Handed Spear, Two-Handed Staff, Two-Handed Axe, Katar, Bow, Huuma Shuriken or any Firearm class weapon:
Increases Critical Damage by additional 10%.