Do this stage until your blend will never realize success. This bug operates only for Wing crafting, It does not work with upgrading or another mixtures. As an example, a macro can be build to execute a complex number of steps with one button press (Combo + Vehicle Potion), https://mu-online-season-19-cheat64319.blogtov.com/10510409/the-definitive-guide-to-mu-online-season-19-cheat-hack