The enormity of the entrance hall astounded Fin, its sheer size dwarfing any interior space he had ever encountered. Its dimensions could comfortably accommodate three regulation-sized basketball courts, with ample room left to spare. The flooring was made of glittering mica, which he had previously seen in the apparition in the airplane hangar, while the walls were adorned with flowstone, resembling the result of thousands of wax candles that had melted and trickled down the surface. Stalagmites jutted out along the edges of the room, while stalactites hung low, almost touching in certain areas. A radiant blue river bisected the chamber, its luminosity reminiscent of a brilliant sapphire. It flowed in from one archway and out through another, a carved stone bridge spanning its course. Intricate patterns were etched into the sides of the bridge, patterns unfamiliar to Fin yet reminiscent of the markings on the dagger his father had thrown to him.

As the new apprentices from the Trial