Ancient Sewer

"I thought it'd be dark and gloomy, but it's not."

That was the Saintess's assessment after looking around the [Ancient Sewer].

"Mm, it's super bright and clean."

The wide sewer, twenty-five meters across and seven meters tall, was bathed in a soft blue glow.

Fluorescent stones were embedded in the ceiling, walls, floor, and even beneath the water, driving away the darkness and illuminating every detail of the underground scenery.

"Black Dick, is this stuff expensive? It looks like glowstone. Seems like we could make some money selling it."

Having learned from the [Whispering Silvergrass] that even a humble plant could be worth money, Shin Seoyeon whispered in my ear. I shrugged.

"It's not the kind of gem you're thinking of. You know light bulbs, right?"

"Light bulbs?"

"Yeah, think of it as exactly that."...