Stone will increase Earth attribute attack power by 5 after successful implementation to the Weapon.
Stone will increase Wind attribute resistance by 6 after successful implementation to the Armor.

Chance of successful implementation - 50%.

Till 150 into B, A, S-grades Weapon and higher.
Till 30 into A-grade Armor.
Till 60 into S-grade Armor and higher.

In addition, maximum 3 types of attribute can be enhanced into S-grade Armor and higher. Opposite attributes cannot be endowed together.