[#][F] Stephen Lea Sheppard - 4/6/2017
Twilight familiar-binding anima power is nonfunctional within the dream, as spirits trapped within are under durance to the binding and not subject to additional binding.

And if someone has some sort of Charm that lets them discern an artifact's powers, you'll need to start statting out the loot beyond "Here's a bunch of magic weapons you don't know anything about, and there's nothing nearby that might tell you."