Increases Knuckle Boost and Arm Cannon damage by 15%.
If refine rate is 7 or higher, increases Knuckle Boost and Arm Cannon damage by additional 15%.
If refine rate is 9 or higher, increases Knuckle Boost and Arm Cannon damage by additional 15%.
If refine rate is 11 or higher, increases Knuckle Boost and Arm Cannon damage by additional 15%, increases Spark Blaster damage by 15%.