Origin

After bidding farewell to Aozaki Touko, Duanmu Huai returned to the hotel and contacted Doctor Roman. However, he had only just finished telling Roman the whole story when the latter slapped his hands together.

"So that's how it is! And there's this, too!"

"This? What?"

Seeing Doctor Roman's exaggerated reaction on the other end, Duanmu Huai was speechless.

"Eh? Duanmu Mr., you don't know Chaldea's history?"

Doctor Roman froze for a moment.

"Chaldea was built by Marisbury Animusphere, the Lord of the Astronomy Department, one of the twelve distinguished families of the Clock Tower!"

"Oh... so what?"

"According to the information I have, this plan might originally have been shelved!"

At this point, Doctor Roman furrowed his brows, his expression turning grave.

"According to Lord Marisbury's theories, in order to observe the past, Reverse Summoning, known as Pseudo-Spiritron Transfer, could theoretically achieve time regression. However, to maintain the stability of time regression, it would require the full assistance of the Atlas Institute, Lord-level secret arts from the Clock Tower, newly constructed facilities, experiments, astronomical sums of money, and people with the aptitude for time regression! This was considered an absurd fantasy within the Clock Tower. At the beginning, Lord Marisbury simply didn't have enough resources to build Chaldea!"

"Wait, so what you mean is..."

After hearing Roman's explanation, Duanmu Huai understood.

"The Lord of this timeline might not build Chaldea, and if that's the case, when this timeline extends into ours, Chaldea won't exist. And if Chaldea doesn't exist, we won't travel back in time to this Singularity. In other words, the Final Singularity will fail to be repaired?"

"Exactly!"

Doctor Roman nodded vigorously.

"Although time itself might correct the situation, no one can be sure that its correction will occur the way we hope!"

"So you want me to