— the queen of demons —

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Known as the most powerful influence in the Abysswalker Galaxy, the star system filled with demons and entities from hell, Illenium deems herself the queen of demons and rightfully so. The powerful demon is a green-coloured fire elemental, but unlike most elementals, her body isn't one consistent piece. Illenium's core or 'heart' is a green fire in the middle of her being, and her other parts are connected to it through demonic magic. Without this core, the demon would cease to exist.

A birth of a demon is something extremely rare, Illenium is the most known example out of what is possibly a handful in amount. This demonic galaxy, every few hundreds of years, has portals connecting its planet to the depths of hell and the underworld. New demons and hellish entities come surging out of these portals to take over Abysswalker, usually taking all demons of the previous generation with them. There's simply no benefit to creating demonic offspring through traditional means, so why bother? Despite this, a select extremely powerful demons have somehow made it, Illenium being one of them.

The green elemental was born on the night when all the moons aligned in the Abysswalker Galaxy, for the first time in 150 years. She was born to an unknown demon and what they call 'Hell's Emperor', Rastakhan. Illenium's father's origins didn't deny his powers once he was banished and turned into a demon, making him still possess god-like powers for the rest of his existence. These powers are now manifested into Illenium, and rumour goes she's even more powerful than she could be, because of the moon alignment when she was born. The demon queen could easily take on a god from the Pantheon, making her the strongest demon ever to exist thus far.. Deeming her invincible.

Illenium is nothing short of a demon. Devious, brash, aggressive, cunning and downright evil. She strives for demonkind to escape Abysswalker, to take over other galaxies and eventually the universe. For chaos to reign and to be truly free from the prison she's forced to call her home, following in her father's footsteps.

The demon queen didn't take long to gain power and influence in Abysswalker. Her roots already made her well known, and during development into an independent entity, Illenium was protected by the guardian her father left behind for her, Razihel. This caused her to survive multiple moon alignments and new generations of demons, and every generation Illenium would grow her group of followers more and more.. Soon enough it would grow to the size of an army. The demon queen assigned her first guardian Razihel, along with three other powerful demons, to be her Horsemen of the Apocalypse, or simply her army generals.

While Illenium has plenty of power as of now, she still hungers for more. Since a cycle or two ago, a new powerful demon has entered this prison. He calls himself the Demon of War, also known as Ares. There's a heated rivalry and war going on between Illenium and Ares, and to be frank it gives Illenium a kick. This rivalry is giving her more influence, and it's more the merrier for her power. The demon queen is confident she can defeat Ares due to the power benefit she has, although she does enjoy toying around with him for the sake of fame.. In the back of her mind, though, Illenium is aware Ares has the potential to be a huge threat to her and her followers.

It's unknown when Illenium's army will be ready and leap through a wormhole to claim its first extraterrestrial prize. It could be in a thousand years.. Or even in a few years. The Abysswalker Galaxy is unpredictable and dangerous, just like its inhabitants and its queen.

— END OF DAWN ARC —

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The entire universe is put at risk of being obliterated during the End Of Dawn. Illenium by no doubt plays a role in this, successfully escaping from the Abysswalker Galaxy after making a deal with the lord of the universe, Veernum. Being promised absolute rulership over the universe, Illenium and her demon army devour galaxy after galaxy, slowly eating away at the universe as a whole. Illenium grows incredibly powerful during this process, her strength comparing to the most ancient of divine beings of the universe. It is during this part Illenium successfully resurrects her father Rastakhan in order to bring forth more chaos. It seems to be going well, until in the final stages Illenium encounters hurdles against strong mortals, deities and other opposing forces.

Despite nearly succeeding, Illenium is put to a stop by the combination of most powerful forces in the universe. However, not strong enough to rid of Illenium and her demons completely, they are banished away into their own pocket dimension that serves as a prison.. Left to rot on until eternity, or so that was the plan.

Within her own prison, Illenium sets forth new life, growing her demon army until the day of freedom would come. The Demon Queen brings forth two descendants, Ragnar and Orzulith, to take after her if the worst were to happen. Plenty of decades pass, perhaps even centuries, until one unfortunate soul accidentally sets the demons free.. A second chance given to Illenium and her demons after all this time, and she wasn't planning on failing this time.