Wing Core Reinforcement Stone How to attach/detach the wing core Wing core set up can be done by opening the 5th wing UI window. Once you hover the mouse more than the fifth wing in the possessions and push 'Alt+right click', the '5th wing (cloak)' UI window opens. Using https://granbluefantasyrelinkgame74950.yomoblog.com/43864510/como-fazer-wings-level-1-ao-5-no-mu-online-season-20-options