Shortly after Angel Gray learned from Bornova Gustav that Orville was a remote town in Intis, most likely used by Zarathus as his Marionette City for advancing to Sequence 1, Klein found the region through clues hidden in the Spirit World.
Zarathus had erased it from reality, but it had not completely vanished into the Spirit World. Instead, it continued to exist in the gap between the two, effectively serving as a Mystic Seer's divine kingdom prototype.
This blocked most methods of divination and prophecy. Even Klein, who controlled Sefirah Castle, could not divine the region's location without first learning the truth about Orville.
Therefore, after finding it, Klein told no one—not even Angel. He himself only thought back on matters related to it within the gray fog of Sefirah Castle, never bringing them into reality.
Otherwise, Grisha Adam and Amon might very well learn this secret!
Now, everyone, including Angel and Gray, believed that Orville and Dilan had yet to be found. They thought the Eternal Blazing Sun and the Church of Steam intended to search thoroughly for Zarathus after wiping out the Primordial Moon's followers. No one knew that Klein had already quietly arrived here, ready to take his final Sequence 1 potion.
"Normally, I should wait until the gods hostile to the True Creator can spare the attention, until the Evernight Goddess has enough strength to conceal all my actions, before advancing. But by then, Grisha and Amon will have made their own preparations. The risks I face won't necessarily be lower than they are now..."
Klein muttered to himself as he followed the edge of the deathly silent town toward the ancient castle in the mist.
The streets he passed through held no pedestrians, but carriages stood by the roadside, and most doors were open. Inside