used thermal imaging, revealing a massive, cold structural spire rising from the seabed, miles below the surface.

Elias felt the air in his apartment grow thin, ionized and sharp. Outside his window, the night sky didn't just have one moon anymore. It had three. If you want to keep the story going, let me know:

showed the ocean surface, churning with a rhythmic, pulsing luminescence.

Should the story lean more into or sci-fi mystery ?