One Sky One Sun

An ancient book titled The Only Sun on the Sky.
It is not known when anyone wrote down, but it contains knowledge of the heavenly bodies.
It resonates with Ancient Hero's Boots.
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For each 2 Refine Levels:
ATK +10
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For each 3 Refine Levels:
MaxSP +2%
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Refine Level +7:
Increases damage of Prominence Kick by 15%.
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Refine Level +9:
Increases Attack Speed (decreases After Attack Delay by 10%).
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Refine Level +11:
Increases damage of Solar Burst by 20%.
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When equipped with Ancient Hero's Boots:
Random chance to increase STR by 20 and ATK by 15% for 7 seconds when dealing physical damage.
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Type: Book
Attack: 160
Weight: 90
Weapon Level: 4
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Requirement:
Base Level 100
Star Emperor