Siel cursed silently.
Somewhere, in his haste to hide, he'd forgotten to lock the door properly. Closing off his semses, he projected an image of a handsome, weathered man with many scars and wearing rough cloth clothes behind a nearby pile of rubble. The feeling of displacement took some getting used to, but Siel had be doing it for centuries, so he was well prepared.
A few seconds later, Siel opened his eyes. He clambered to his feet, and grasped the pommel of the-sword-that-held-his-power-and-soul.
"Who are you?" his voice rang out, raspy and lilting, yet unmistakably real.