Ba'alzamon
Ba'alzamon appears in Perrin's dream standing above a field of mirrors, dressed in black with silver lace. He executes a Darkfriend who allowed Mat Cauthon to escape Tar Valon by turning him into mist, and confronts Lanfear about her loyalty to the Dark One.
Ba'alzamon — aliases: Great Lord of the Dark
Ba'alzamon descends from the shadows to attack Rand, claiming his soul and twisting reality against him. He flees after Rand touches Callandor, using the Stone's power to create deadly traps in the halls. Rand pursues him through shifting environments, eventually plunging Callandor into his chest, causing Ba'alzamon's shadow to vanish and his physical body to fall lifeless.