"I made something for you. For us." He opened his hand, and a delicate, thin gold band sat on his palm. "I have the twin." He opened his other hand. "If I did the charm right, we can communicate basic emotions through the rings. We will also be able to tell if the other person is okay. A serious injury or death will be obvious. Now you have something to remember me by, at least." He smirked without humour.