The Duality Bond
Before they ever met the boy who would fracture reality, Rascal and Halcyon were already locked in their cosmic dance. Order and chaos, hymn and jazz - structurally incapable of existing without each other. This is not romance. This is physics.
Their relationship is written into the Immutable Laws of the Doombringerz Universe: neither pure light nor pure dark is ideal. Extreme order produces Halcyon's flaw - rigidity and stagnation. Extreme chaos produces Rascal's - noise without signal. Together, they create the tension from which meaning emerges.
In the Prelude era - before the First Fracture - this dynamic unfolded in the storm before the storm. Two divine entities bickering across the void, their arguments shaping proto-realities that blink in and out of existence. Halcyon builds. Rascal demolishes. What survives their disagreement becomes the architecture of what will later be called a universe.
The Codex notes: They did not choose each other. They were chosen by the same error that chose everything else. The difference is they had eternity to get used to it.