ERAS OF AREN

The Void, an era of emptiness with only one "being" residing amongst the blackness. 

The "being" creates its own shell becoming Neo-Addir and begins to fabricate the universe from its very being.

After Creation of the universe; the Overworld, Mid Worlds, and Underworld are all one.

Neo-Addir separates pieces of his power into his Children; The Dragon Gods.
The Overworlds, Mid Worlds, and Underworlds are separated to better sustain newly created life.

Neo-Addir uses newly created life to boost his ego and destroys those who won't worship him.

The Dragon Gods imbue their powers into individuals to help in binding Neo-Addir.

10 Years War against the Underworld.
The Underworld is Sealed by the first group of Elementals.

Majz Ical the Sorcerer becomes Corrupted by the Soul Vortex and leads his armies against The Quadrants for 100 years (give or take).

The second group of Elementals defeat Majz Ical to end the Age of Corruption. The Soul Vortex gives way to more elementally powered people.

Books: End of Vortex of Souls through End of TRIALS.

The Obsidian Samurai has a firm grasp on the Quadrants that leads the Children of Elementals to rise with help from a few familiar faces.

After TRIALS until [unknown].

The Underworld claims Aren as Neo-Addir returns from his cage to end everything once and for all, including his own children; The Dragon Gods. A lone swordsman is preparing to complete his destiny one way or another.

Ethereals rise to the level of gods to replace their once friends and allies; the Dragon Gods.

Centuries after the Ascension of Elementals; space travel has been achieved using chronostones and spatiostones to create warps. Commander Citlali Luna of the Sixth Division sees possibilities of new elementals or ties to old ones in her recruits.