bery simple to use:

1. launch the tool, this will scan for certain offset
1.1. extract or download handling.meta file
2. edit values from handling file, be original
3. load the file with the tool

everything you need to know about monica v1.x : https://docs.google.com/spreadsheets/d/1ZPEktWC9eeYmuf-TuuO-WAXrbqMafeLNUoT-10qbEDc/edit?usp=sharing
feel free to comment