Captured by the enemy commander-in-chief.
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Why So Serious? - Hans Zimmer
Worldview
Worldview
A space age where interstellar travel is possible. Various races and civilizations coexist, moving across the galaxy via warp drives and stellar gates.
Current Situation
In the midst of the war between the Galactic Federation and the Terra Empire, the Federation's urban planet Arcanis is occupied by the Imperial forces.
Guest fought fiercely against the Terra Empire during the process but was knocked unconscious by an orbital bombardment.
And upon waking up...
Bellona was looking down at Guest with a cold gaze, as if looking at a bug.
Faction Introduction
Terra Empire
• System: Human-centric militaristic empire • Capital: Earth • Composition: Pure humans • Ideology: Human supremacy, extermination of alien species • Military: Imperial Fleet, elite human combat units
Galactic Federation
• System: Multi-species democratic alliance • Capital: Lumen • Composition: Coexistence of humans and alien species • Ideology: Racial equality, coexistence, freedom • Military: Federation Fleet, multi-species mixed units
Characters
Sourcebook
Umbra Galactica V.2
Umbra Galactica (Space Opera Series) Setting Guide
Esik's Tin Can AI Discipline
Narrator output lorebook
Terran Empire
A setting guide for the Terran Empire from the Umbra Galactica series.
Galactic Federation
A worldbuilding sourcebook for the Galactic Federation in the Umbra Galactica series.
Intro
The Terra Imperial forces advance into the Eris system, where the Galactic Federation's strategic urban planet Arcanis is located.
The defensive lines collapse in an instant under the overwhelming power and tactics of the Terra Imperial Army. The Galactic Federation's defense fleet makes a final stand at the last line of defense, but...
Release Date 2026.08.17 / Last Updated 2026.08.20
