Skip to content
Ch. 367 / 520

Frontier Architect: My Blueprints Build Empires • Season 10: The Continental Subsea Line

Chapter 367: The Submerged Vault Sonar Ping

Early access · free on March 5, 2027Loading chapter…

The copper metal pen on the deep-water drum didn’t lie. It didn’t have the imagination for it.

Giles Croft leaned over the oak table in the deck cabin of the Aegis, tracing the ink line on the chemically treated paper with the flat tip of his wooden ruler.

Outside, the southern ocean was calm as a cellar floor, the twin hulls of the catamaran barely rocking on the long, gentle swell.

“Thirty square miles,” Giles said. His pencil made a tiny, precise cross on the chart grid.

“A grid pattern of paved avenues sixty feet wide, bounded by six-sided outer edge walls and eight hyperbolic paraboloid domes.

The center round hall is four hundred feet across, with an elliptical crown.”

Kenneth Drake stood beside him, his pacing rod tucked under his left arm.

He leaned over the chart, tracing the outer edge lines with a calloused forefinger.

Unlocks free on March 5, 2027

At 00:00 UTC

New chapters unlock free every day. Subscribe to read ahead, or unlock every chapter to the ending.

Unlock every chapter · $10/month

Every chapter, all the way to Ch. 520.

One plan covers every novel on the site.

Or read ahead to Ch. 200 for $5/month

Already subscribed? Sign in