[Dual Blade Rebirth] Slash Storm Mastery

To celebrate the launch of the new and improved Dual Blade, I am giving out a Slash Storm Mastery Book as a gift to all Lv. 30 and above Dual Blades. Do you want your gift now?

If you change your mind, don't forget to come back!

I hope you find the book useful!

Make sure you have one or more empty slots in your Use inventory tab.