Do this phase till your combination will not succeed. This bug is effective just for Wing crafting, It won't operate with upgrading or some other combinations. As an example, a macro can be build to execute a complex number of actions with one button press (Combo + Car Potion), https://mu-online-season-19-cheat44209.blognody.com/30093943/the-5-second-trick-for-mu-online-season-19-cheat-hack