as Mordret controls things through reflections could Sunny then control things via their shadows?

so he can literally become someone else's shadow nice

is the distance that Sunny's shadows can travel an area affect or can it be extended in a straight line like the beacons of Gondor in L.O.T.R.?

If Saint was already at the rendezvous why didn't Sunny just shadowstep to her shadow instead of travelling the long way or is there a distance limit?

why not leave the ravenous imp behind with the covetis coffer to collect the soul shards and other useful items after all he can hide in the shadows if the nightmare hordes arrive and he can have a small feast.