Cosmic Timeline

Overview

This document tracks the earliest large-scale development of the cosmos.

Rough date range: pre-temporal sequence-c. 2,500,000 BR.

Before Aion Prime, The Eternal Now awakens, events have sequence but no measurable duration. Once Aion awakens, measured history begins.

It serves as the broad cosmic baseline rather than the only page for that baseline. The focused cosmic history pages on this shelf now begin splitting that sequence into modular foundational events, aftermaths, and thresholds.

Pre-Temporal Sequence

The Great Unfolding

The original cosmic potential differentiates into the ten Primes in a fixed awakening order:

This sequence moves the cosmos from static structure toward full living interdependence: first substrate, then flow, then transformation, then measurable time, then revelation, trace, meaning, identity, memory, and finally unbound motion. The sequence begins in the Pre-Temporal state and reaches measured completion only long after Aion Prime, The Eternal Now awakens.

The First Harmonic Pressures

As the earliest Primes awaken, their direct self-expression places increasing pressure on one another. The first Harmonics begin forming early as slowly stabilizing mediations that relieve this tension and make later reality more durable.

The earliest major pressure appears between Terra Prime, The Iron Backbone and Aqua Prime, The Surging Deep. Structure presses toward rigidity; flow presses toward adaptation. Their sustained opposition becomes one of the first major cosmic negotiations and helps drive the slow stabilization of the earliest elemental Harmonics.

The first large-scale sorting of the developing proto-anchor field is driven mainly by these elemental Harmonics. As later Primes awaken and their own Harmonics stabilize, abstract pressures such as truth, order, memory, meaning, connection, and perfected stasis begin shaping the same field as well. By the time the proto-anchor sphere nears collapse, both elemental and abstract Harmonics are driving its polarization.

The Great Polarization

The first large-scale proto-anchor field develops as a continuous sphere of gradients rather than as separate planes. Early on, neighboring conditions bleed into one another, and opposite tendencies remain connected across the same shared surface.

As more Harmonics stabilize, that sphere becomes increasingly polarized. Elemental pressures begin the sorting; later abstract pressures sharpen it further. Regions of absence and excess, rigidity and flow, exposure and concealment, order and dissolution, perfection and lack all intensify within the same strained whole.

The Great Polarization begins before all ten Primes are awake, but it reaches its mature and collapse-bound form only once all ten have awakened and their full field of tensions is active.

Its collapse and aftermath are now followed more directly through The Inward Sundering and The First Equilibrium.

Early Measured History

Event	Date	Notes
Aion Awakens	c. 35,000,000,000 BR	Measurable time begins.
Measured Completion of the Great Unfolding	c. 34,700,000,000 BR	All ten Primes are awake and the differentiated cosmic order is fully present.
Late Great Polarization	c. 34,200,000,000-33,600,000,000 BR	The proto-anchor sphere reaches full strain as elemental and abstract Harmonics sharpen the same shared field.
The Inward Sundering	c. 33,600,000,000 BR	The Unformed provide the final destabilizing pressure; the proto-anchor sphere implodes, the extremes separate, and the balanced residual core remains.
Early Anchor Settlement	c. 33,600,000,000-32,800,000,000 BR	Deficit and surplus planes stabilize unevenly rather than all at once.
Long Settlement of the Balanced Core	c. 33,600,000,000-12,000,000 BR	The surviving core slowly settles through Harmonic reciprocity rather than immediate completion.
The First Equilibrium	c. 12,000,000 BR	The balanced core becomes a true, self-sustaining Material Plane.
The First Celestial Condensations	c. 12,000,000-2,500,000 BR	Stable large-scale material bodies begin forming within the newly durable Material Plane.
Formation of the Material Plane	c. 12,000,000 BR	The main balanced material realm is established through the First Equilibrium.
Creation of Caeldon	c. 2,500,000 BR	The primary focus planet of the setting is created.

The Inward Sundering

At the height of the late Great Polarization, the Unformed push hardest toward reversion into pre-definition. This does not create the proto-anchor crisis by itself, but it becomes the final pressure that the already-overstrained shared sphere cannot absorb.

The result is The Inward Sundering. The proto-anchor field does not burst outward into clean fragments. Instead, shared coexistence fails inward. The most polarized conditions separate into distinct deficit and surplus planes, while a balanced residual core remains at the center.

The released reorganizing force of the Sundering helps the Primes push the Unformed back successfully. Reality survives, but not cleanly. The violence of the event leaves patterned scars in the cosmos.

This event is treated more directly in The Inward Sundering.

After the Sundering

The new planes do not all settle at the same speed. Some stabilize quickly because their identities are already strongly polarized. Others require much longer to become internally coherent.

The balanced core does not become the Material Plane immediately. It survives first because the most incompatible extremes have been expelled, then slowly settles as multiple Harmonics begin counterbalancing one another instead of sorting reality toward further extremes.

This later settlement is what eventually produces the Material Plane: not a default world, but the first major realm of durable reciprocal tension.

That immense aftermath is treated more directly in The Long Settlement of the Balanced Core, while the threshold that completes it is treated more directly in The First Equilibrium.

The First Equilibrium

At The First Equilibrium, the long-settling balanced core crosses the threshold into a true Material Plane. This is not a simple renaming of the surviving center after the Sundering. It marks the point at which the core becomes stable enough to sustain itself as a balanced material realm.

Three changes define this threshold:

Reciprocal balance becomes self-sustaining. No single Harmonic pressure can dominate the whole core for long, and mixed coexistence no longer depends on constant crisis-level correction.
Spatial law becomes durable. Distance, orientation, persistence, and material interaction become reliable across the plane rather than only in local pockets.
Celestial condensation becomes possible. The plane becomes capable of supporting the later formation of stable large-scale material bodies.

This matters because the post-Sundering balanced core is not yet planetary. It first exists as a settling proto-material cosmic medium rather than as a world with continents, seas, and skies already in place. Only after the First Equilibrium does the Material Plane become the kind of realm in which true planets can later form.

That threshold is treated more directly in The First Equilibrium.

The First Celestial Condensations

Once the Material Plane becomes self-sustaining, it can begin supporting durable large-scale material bodies rather than only balanced medium.

This does not produce one finished world all at once. It opens the long age in which stable celestial condensations become possible: enduring material bodies, long environmental continuity, and the first real basis for later planetary history. That development is treated more directly in The First Celestial Condensations.

The Creation of Caeldon

Much later, one of those durable world-forming outcomes becomes Caeldon, the setting’s main material-world focus planet.

This matters because it turns the cosmic history of stable reality into the planetary history of one named world. That bridge is treated more directly in The Creation of Caeldon.

Scars and Survivors

The Sundering scars reality, but mostly in localized or patterned ways rather than as universal cosmic damage. Some of those scars later help explain why magical energy is not evenly distributed and why ley lines form along preferred channels, knots, and old stress paths.

Precursor life-patterns and unstable proto-lineages can already exist before the Sundering, but most recognizable later species histories belong to the post-Sundering world. The great rupture and its aftermath shape the conditions under which later Material Plane lineages become possible; they do not usually carry ordinary species continuity cleanly across the event.