When equipped with Thanos Sword-AD:
Increases damage of Cart Cannon and Acidified Zone (Fire/Water/Wind/Ground) by 20%.

For each 2 Refine Levels of equipped Weapon:
Increases Ranged Physical Damage by 4%.
_______________________
When equipped with Thanos Bow-AD:
Increases damage of Sharp Shooting and Crescive Bolt by 20%.

For each 2 Refine Levels of equipped Weapon:
Increases Ranged Physical Damage by 4%.
_______________________
When equipped with Thanos Violin-AD or Thanos Whip-AD:
Increases damage of Severe Rainstorm and Rhythm Shooting by 20%.

For each 2 Refine Levels of equipped Weapon:
Increases Ranged Physical Damage by 4%.
_______________________
[Bonus by Grade of Headgear]
[Grade D]: CON +2
[Grade C]: P.ATK +2