Do this stage till your combination will not succeed. This bug works just for Wing crafting, It doesn't do the job with upgrading or any other combinations. For example, a macro can be setup to execute a complex number of actions with one button press (Combo + Auto Potion), https://muonlineseason19cheathack75329.ja-blog.com/30089724/5-essential-elements-for-mu-online-season-19-cheat-hack