Hello @Julandron
When training a SA or NP, you should always chose the drill with the lowest average quality. The intensity (very easy-very hard) is irrelevant for the training itself. It only saves you time by not having to repeat the training session as many times. The level of the drill (amateur-world class) is the second most important factor. Find my power training tool I've developed in my signature to help you out with the above.
Here's a link as well https://r.tapatalk.com/shareLink/top...ink_source=app