P.Atk + 5.
If grade of enchanted equipment is D or higher, increases critical damage by 5%.
If grade of enchanted equipment is C or higher, increases critical damage by additional 5%.
If grade of enchanted equipment is B or higher, Atk + 2%, C.Rate + 3.
If grade of enchanted equipment is A or higher, additional Atk + 3%, C.Rate + 5.