Welcome to the forum @Gaza14.
Keep the official limit of 4 fields, that cause permanent physical change in mind. From the official FAQ:
The max of 4 is suggested only to speed up results if you are looking for permanent physical changes. But if you are listening to different audios like ‘disconnect from negative energy,’ ‘energy blockage removal,’ ‘estrogen boost,’ ‘vagus nerve stimulation,’ then you can listen to as many as you like really.
To find out which fields cause permanent physical change, check out this thread: