When equipped with Thanos Hammer-AD:
Increases damage of Duple Light and Petitio by 20%.

For each 2 Refine Levels of equipped Weapon:
Increases Ranged Physical Damage by 4%.
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When equipped with Thanos Knuckle-AD:
Increases damage of Tiger Cannon and Third Flame Bomb by 20%.

For each 2 Refine Levels of equipped Weapon:
MaxHP +3%
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When equipped with Thanos Katar-AD:
Increases damage of Rolling Cutter and Impact Crater by 20%.

For each 2 Refine Levels of equipped Weapon:
Increases damage of Counter Slash by 9%.
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[Bonus by Grade of Headgear]
[Grade D]: STA +2
[Grade C]: P.ATK +2