When equipped with Thanos Greatsword-AD,
increases Wind Cutter damage by 20%, increases Servant Weapon damage by 20%.
Increases melee physical damage by 4% per 2 refine rate of weapon.
When equipped with Thanos Axe-AD,
increases Axe Tornado damage by 20%, increases Axe Stomp damage by 20%.
Increases Axe Boomerang damage by 9% per 2 refine rate of weapon.
When equipped with Thanos Spear-AD,
increases Hesperus Lit damage by 20%, increases Overslash damage by 20%.
Increases Overbrand damage by 9% per 2 refine rate of weapon.

[Bonus by grade of headgear]
[Grade D] POW + 2.
[Grade C] P.Atk + 2.