He pressed Execute .
Because CoC2 often stores data in local browser storage or a single "blob" of data for desktop versions, the most reliable method for editing is using the feature. About that save file location... - Fenoxo Forums corruption of champions 2 save editor
: Click the "Save to File" button (located on the right side under the "To File" section) to download a .coc2 file to your computer. He pressed Execute