This new technology is very particular in the way they work. They are usable for whenever you are In Harm's Way. If you feel that you are unsuited to the task before you all you have to do is use this key and it will teleport you back to your keep or to safe spot. It is good for more than one use which makes it useful to have in your astral keep. Perfect for beginners who are making their way around the astral. It's about the size of a fidget spinner you click the button saying activation word and it opens a door and you're able to go through to safety.