Setsuna and the high angels learn all the secrets of God, and Setsuna tries to prevent Sara, who is possessed by the angel of destruction, from destroying the Tower of Etenamenki.
The battle between the angels and demons reaches the Tower of Etenamenki, where Setsuna, Rosiel, and Sandalphon struggle to reach the Tablet of Heaven--the key to unlimited power--to save the world or destroy it.
High Angel Rosiel's master plan becomes clear as he tries to get Lucifer under his control and invade the highest plane of Heaven, leaving Setsuna and the other angels to try and stop Rosiel before it is too late.
Setsuna and his team are shocked to learn their attempt to rescue Zaphikel is too late and that Zaphikel's wings have been cut off, leaving him to become a flesh-eating ghoul.
Sevothtarte tears Setsuna and Sara apart, and Setsuna's guilt over his role in the capture of his sister and Zaphikel threatens his ability to lead the resistance.