But Tirek had escaped. He escaped here, the ultimate prison, which held those who could not be dealt with by normal means, and that which could not be destroyed but could not be allowed freedom in a living world. Before she had pegged it to the wizard exploiting some loophole, or finding one of the rare, but not unheard of temporary portals to Equestria. The odds were against it, but it was possible. Maybe she chose to believe that to avoid speaking to the lords of Tartarus.