@poshook A different way to say what the others are trying to teach you, take your EFI folder and what they gave you for USB, use it to do an install on different drive with an older MacOS, Catalina is best. Then, use the guide that
@Feartech gave on page 1 of this thread.
You have to get the USB properly mapped on an OS prior to 11.3. It seems that you got it basically working in Monterey out of blind luck.
To go forward, first you need to temporarily go backwards in OS to get your config dialed, before moving to Ventura...