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"What?" Celene asked.
"This Castle is not endless," Hydra said with a smile. "And this Dimension... It's actually much smaller than it seems."
"Eh?" Celene was even more confused. "What do you mean by that?"
"This castle has, at most, 128 rooms, still an impressive number," Hydra said. "But nowhere near the billions of rooms that one would be led to believe. You see, the pattern of 32 rooms repeats itself four times before looping back to the same spatial area where we were before."
"...?!" Celene's eyes widened, shocked to learn the truth. "So we've been walking in circles this entire time?"