One could call it a human-shaped, self-propelled lie detector and cheating detector. Moreover, the bravado Shiayar had displayed back in the Valley of the End had only been realized through Ennie's liberation of the Sacred Spear. Heaven knew if that weapon would report across time and space to its current master.
As for Silvia, it went without saying. She herself was a direct experiencer of the Echo of History and also the first victim of Shiayar's trans-temporal philandering; she knew his tricks inside out. As a Throne, she had long possessed the ability to make initial interventions in history. While she might not see all of Shiayar's actions, she could at least guess fifty to sixty percent of them.
