Wolf Orb (Vulcan Rainstorm) 310551 / Wolf_Orb_Skill_36

Increase Arrow Vulcan and Severe Rainstorm damage by 15%.
------------------------
When refine level is 7 or higher, increase Arrow Vulcan and Severe Rainstorm damage by additional 15%.
------------------------
When refine level is 9 or higher, increase Arrow Vulcan and Severe Rainstorm damage by additional 15%.
------------------------
When refine level is 11 or higher, increase Arrow Vulcan and Severe Rainstorm damage by additional 15%.