In the submerged caverns of New Atlantis, Sirena gazed upon the Aquatic Terraces, humanity’s last refuge. As the principal architect, her vision had given rise to these bio-luminescent chambers, harnessing the power of water to sustain life. Each terrace thrummed with the energy of hydrocores, beating like hearts beneath the sea. Orphaned by the rising tides, Sirena had vowed to create a haven for the survivors. Her hair, the color of sunlit reefs, was a reminder of the world above, now a…