the eye of the hero

they say those descended from the hero from time have a magical gift allowing them to peer Beyond the vale and see things that exists across dimensions band time.    Once per long rest you may activate the eye and depending on what you see, you can interact with it and do things such as pull and object into this time or talk to someone.    However you must make a con save or run the risk of being blinded in that eye and loosing se of the albitity