Mechanic Stone (Garment), (Renewal)

Increase damage of Axe Tornado by 15%.
When equipped with Mastersmith Stone(Upper), has a 2% chance to restore 1% of damage as SP when dealing physical damage.
When equipped with Mastersmith Stone(Middle), reduces Axe Tornado cooldown by 1 second.
When equipped with Mastersmith Stone(Lower), increases Axe Tornado damage by 15%.