For each 3 Refine Levels:
ATK +20
Increases Melee and Ranged Physical Damage by 5%.
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Refine Level +9:
ATK +10%
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Refine Level +11:
P.ATK +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 Melee and Ranged Physical Damage by additional 10%.