[Atem follows suit as his partner directs him]

Now that isn't the easiest question to answer... [Plus he isn't sure whether he should discuss them in depth. Not that he doesn't trust Eleven with this knowledge it's just that the last thing Diatu needs is the emergence of the shadow games] It gives someone powers over the shadows.... also with it's help I was able to summon the Egyptian Gods when I needed their aide.

It also has some protective powers that shield the wielder from harm. [There- perhaps that is not too much]