Mare Serenitatis

Lunar mare region on Luna's surface, site of late-story events.

The Mare Serenitatis, a vast lunar mare on Luna's surface, emerges as a pivotal battleground in the Red Rising Saga during the climactic stages of Morning Star. Initially unmentioned in earlier volumes, this dark plain becomes the stage for desperate maneuvers in the Society's final stand against the Rising. Its strategic expanse hosts decisive confrontations that shape the fate of the Solar System, marking a late-series evolution from obscurity to a symbol of rebellion's triumphant fury.