When equipped with Thanos Greatsword-AD,
increases Wind Cutter damage by 25%, increases Servant Weapon damage by 25%.
Increases melee physical damage by 6% per 2 refine rate of weapon.
When equipped with Thanos Axe-AD,
increases Axe Tornado damage by 25%, increases Axe Stomp damage by 25%.
Increases Axe Boomerang damage by 12% per 2 refine rate of weapon.
When equipped with Thanos Spear-AD,
increases Hesperus Lit damage by 25%, increases Overslash damage by 25%.
Increases Overbrand damage by 12% per 2 refine rate of weapon.

[Bonus by grade of headgear]
[Grade D] POW + 3.
[Grade C] P.Atk + 3.