Lord of the Nexus
Xar was a man of keen, cold, sharp intelligence. His age and the hardships of the Labyrinth left his face lined and marked, but his skin didn’t sag, his jaw was firm, his nose jutting and beak-like, and his eyes bright and wise and hungry. He commonly wears black, hooded robes, and he has long hair that falls over his forehead.
Every Patryn who has escaped the Labyrinth did so with his help, whether he brought them out from its depths or encouraged them to reach the Final Gate when they might have given up; nobody else had the will to overcome their fear (a fear he also felt) and enter the Labyrinth again. He put the runes on the Final Gate that allowed it to swing inwards, so that it could be re-entered.