There was a sudden sense of presence, a ripple that silenced all conversation for a moment. A shape appeared in the center of the expanse. Or, rather, an ABSENCE of shape, so blatant that it formed a silhouette. A cloaked humanoid, almost 20ft tall, surrounded by a gently bobbing collection of skulls. All sorts of skulls, from tiny child-sized human skulls, to a single massive dragon skull, and all manner of skulls in between. They spoke, teeth clattering together in a grim imitation of speech, as a single-triple voice spoke forth. Its voice was a normal tone, a high pitched falsetto, and a deep baritone, all simultaneously, and echoed eerily around the space. "Greetings and welcome to you all...Heros and villains from across time and space...all gathered here in one place...for a job of epic proportions."