The Prime Plane is the central realm of the Continuum Crystal Cosmology, a confluence of all the elemental planes where life in its myriad forms flourishes. Under the watchful eyes of the Pantheon of Primus, the Prime Plane is intricately tethered to the elemental planes of Fire (Plane of Ignis), Water (Plane of Aquos), Earth (Plane of Gaian), and Air (Plane of Zephyron) through The Heart of Helios. The sacrificed heart of Primus deity Helios maintains a delicate equilibrium of elemental forces, creating the conditions necessary for life to thrive.
Following the Solis Singularity and The Planar Rapture, the Prime Plane stabilized as the central theater of mortal existence. While the Pantheon of Primus defended the elemental planes and the Plane of Helion, it was the Mythar and the True Dragon who became the primary guardians of the Prime Plane during the Second Age.
The sacrifice of Helios — giving his Heart to creation — became the foundational stabilizing force of the plane. The Heart serves as gravitational anchor, stellar engine, and metaphysical regulator, ensuring the elements remain in equilibrium within a single unified realm rather than fracturing into dominance.
As the center of the Continuum Crystal Cosmology, the Prime Plane exists in perfect harmony, balancing the raw elemental forces that fuel existence and sustain mortal life. While this balance is delicate and often threatened by external forces like Khaos, the Pantheon of Primus ensures that the elements remain in sync, protecting the Prime Plane from being overwhelmed by any one elemental force.
Origins
Initially created during the Solis Singularity, the Prime Plane was further shaped in the wake of The Planar Rapture, where the Primus gods battled the Elementari. As the elemental titans fell, the star systems of the Prime Plane were forged and molded into what they are today. Ultimately, however, it was Ael whom architected the planar structure of the Prime.
Helios, the god of life, is believed to have personally imbued the Prime Plane with the essence of vitality and growth, while his counterparts in the Pantheon of Primus—Mystera and Oronos—each contributed to maintaining the intricate balance of energy and time that anchors the plane.
Cosmological Structure
The Prime Plane spans a full galactic structure of stars, nebulae, hyper-lanes, and planetary systems. Within it exist countless biospheres shaped by local elemental concentrations, gravitational forces, stellar radiation, and Rift Energy density.
Unlike the Elemental Planes, where one force dominates absolutely, the Prime Plane exists through multi-element interaction. This makes it uniquely capable of sustaining complex biological life.
In certain regions of the Prime Plane — particularly Tolria — localized elemental nexuses exist where the veil between planes thins. These are not universal anchors but residual convergence points from the Planar Rapture and later Rift destabilizations. Each elemental "Realm", such as The Sun Realm or The Sea Realm, is thought to be the thinnest points in the Rift barriers between the Prime Plane and the elemental planes (see: Worldstones).
Rift Magic flows throughout the Prime Plane thanks to the influence of the Ether, giving rise to a multitude of spell-casters and arcane users.
Certain regions — such as Neutral Space, The Far-Fringes, and Aurelion Space — exhibit heightened Rift instability due to the lingering scars of the First Continuum Crisis, Second Continuum Crisis, and Third Continuum Crisis.
Mortal Life and Inhabitants
The Prime Plane hosts an immense diversity of sentient and non-sentient life forms, including descendants of the ancient Mythar, post-biological constructs, Rift-evolved species, aquatic bioengineered civilizations, high-gravity chitinous brood species, and countless others.
Many civilizations view the Mythar as progenitors, forerunners, or angelic precursors. Fragments of the Mytharil Empire remain scattered across the galaxy, influencing modern technological and arcane development.
The Prime Plane is also the only realm where mortal species can evolve naturally without elemental boundaries or divine confinement. Most forms of life exist under the guidance of the elements, shaped by the balance between fire, water, earth, air, and magic. The mortals of the Prime Plane often worship the gods of the Pantheon of Primus, seeking their blessings to ensure that the balance of the world remains intact.
In addition to mortal life, the Prime Plane is also inhabited by celestial beings, elementals, Fae, and other extra-dimensional creatures. It is said that when great mortals pass away, their spirits may be called to serve in the Hall of Heroes within The Celestial Citadel, located on the Plane of Helion.
Threats to the Prime Plane
The Prime Plane is uniquely vulnerable because it contains all elements in balance. When that balance fractures, destabilization cascades rapidly.
Major threats include:
- Khaos Incursions through Khaos Rift tears and dimensional breaches.
- The Myr'Khruul, parasitic spawn believed tied to Revenant Titan.
- The lingering instability of The Flux in The Far-Fringes.
- The return or stirring of Revenant Titans.
- Large-scale Rift manipulation by advanced civilizations.
During the First and Second Continuum Crises, the veil between the Prime Plane and Khaos thinned dramatically. These events not only devastated the Mytharil Empire but also leaked Argent Khaos energy into numerous star systems, mutating species and reshaping galactic evolution.
Unlike the elemental planes, which are defended primarily by the Pantheon of Primus, the Prime Plane must defend itself. Historically, this role fell to the Mythar and the True Dragons. In the modern age, that burden rests upon emergent galactic powers.
Notably, the Unknown seeks to unravel the continuum that the gods of Primus have fought so hard to protect. Rift tears, demonic incursions, and the ever-present threat of Khaos gods breaching the Prime Plane remain constant dangers.
In addition to external threats, the Elementari, remnants of the chaotic forces defeated during the Planar Rapture, sometimes seek to reassert their influence. This has led to times of crisis where the elemental planes threaten to flood the Prime Plane with natural disasters.
Conclusion
The Prime Plane is the living heart of mortal existence within the Continuum Crystal Cosmology. Sustained by the Heart of Helios and shaped by the sacrifices of gods and progenitors alike, it is the only realm where all elements coexist in equilibrium and where life may flourish without divine domination.
It is both the greatest achievement of creation and the most contested battlefield in existence.
If the Prime Plane falls, the balance of the continuum falls with it.