The Erinyes dies easily. As for her weapons, it looks like they'll be good for fighting chain devils if Alaedra is afraid of them using her chain against her. The sword is magical at least, and additionally, the bow is both magical and wreathed in ghostly flames. It looks like the kind that ignites arrows as they are fired.<br/><br/>Before Alaedra wishes to break the key off in the lock, she may wish to consider that there are no other obvious doors in the room. Of course, climbing back into the ducts and moving along might discover a different room to get to.