It's not a pipe dream: https://www.ff6hacking.com/forums/showth...p?tid=3210
You'll just need 4 commands in your event code. At this point it is regular event scripting.
Edit: This custom command check for equipped items, not inventory ones. As an example you'd need to have the party leader wearing the imp gears. For all the info on event scripting, see the Events category after the Q/A section in this thread: https://www.ff6hacking.com/forums/showth...p?tid=3428
You'll just need 4 commands in your event code. At this point it is regular event scripting.
Edit: This custom command check for equipped items, not inventory ones. As an example you'd need to have the party leader wearing the imp gears. For all the info on event scripting, see the Events category after the Q/A section in this thread: https://www.ff6hacking.com/forums/showth...p?tid=3428