Chapter 476: Foundation of Gladiolus

As he looked down at the head of azure hair that rested against him, he held his somber smile to himself, running his hand over the woman's silky locks. 

The tranquil train ride soon took a more rousing route as the enclosed tunnels opened up into a vast network. Sailing across the rails, there were no walls to stand at either side of the moving train as it curved over the tracks. 

"Woah—what the?!" He looked over the side.

Peering over alongside him, Iris watched with him as there were dozens of tracks, some carrying other trains as well as the vast space was filled with lifting steam. 

Below them, it seemed to be an endless descent, mixed with the network of rails that led into many tunnels.

By this point, it felt more like a rollercoaster ride, traversing the steampunk-esque environment with a giddiness to his smile. 

"Starting to get it now? The Hollow Foundation is truly something, isn't it?" Sirius asked.