Goodbye and... - S1.E13

Drugged, she was hoisted up in the air along with the Blue King, right above the lake where the ‘beast' will take its ‘sacrifice' in order for Kanto to remain peaceful. Things got out of control when Sarasa woke up in the middle of the ceremony and threaten to kill the Blue King if he didn't confess of being a fraud. Scared, the Blue King confess to everything and reveal that the ‘beast' was actually run mechanically by Asagi. Outrage, the civilians rebelled against the Blue King and with the Iron Mask leading them, they were unstoppable.