Nathan had no idea who the new being was, but he still kept his presence hidden. He could sense the air of familiarity between his brother and this new figure, but that didn't give him enough reason to show himself. His brother's friends might no be his friends and he understood that.
They had been conversing for a while now, and all through his life he had never seen Nigel act the way he did right now. He seemed free, comfortable and relaxed when with this stranger and it prompted him to believe that they must be comrades from the Guild. However, he still didn't trust this new figure.