--Titans base · secret basement
The restricted area deep underground had multiple lines of defense, guarded exclusively by Artificial Angels, with no living guards.
As a specially designated internal chamber, it had provisions for destroying its contents before trouble struck, should circumstances demand it.
"Security really is tight, Mr. Guard."
Robin, who had completed her "job change" yesterday, had disguised herself in a Titans employee's outfit. Aboard a Titans aircraft controlled entirely by Artificial Angels, she had secretly arrived in Tamarisk, the East Blue Coast Port City, and was hiding there for the time being.
"It is my duty, ma'am."
The Artificial Angel answered in a mechanical voice.
Robin already had a basic understanding of these robots.
So she stopped wasting her breath and followed silently. After passing through several security doors, she reached a separate mechanical chamber.
"So this is the 'suspected' Poneglyph."
Having followed the guard-type Artificial Angel here, Robin examined the somewhat cracked "Poneglyph" before her.
She was puzzled. Poneglyphs were virtually indestructible and ordinarily would not develop cracks like these. At least, none she had seen ever had.
"Yes. It was discovered in the desert between Yuba and Erumalu."
The Artificial Angel replied.
...From Sephiroth's perspective, this particular stone was an anime-original creation.
On the Straw Hat Pirates' journey to Yuba, Luffy, Zoro, and Chopper had fallen into a cave containing the ruins of an ancient structure. This was the Poneglyph there, complete with its "cracks."
So he had ordered the robots to conduct a thorough sweep of a designated area between the two cities.
Unexpectedly, they had actually found it.
"...The Ancient Script is genuine, but the 'material' isn't."
Robin was still quite interested in its contents.
It did not concern the Void Century, but a period of history immediately afterward.
Broadly speaking, it described