She is tall and slender of build, her muscular body supported by four long, sculpted legs. Her neck is arched and powerful, supporting her refined, regal skull upon which her crowning glory is perched - her horn. Of middling length and with only the slightest amount of spiral, Nyx's finest weapon looks as though it has been chipped from a hunk of obsidian, tipped with a razor-sharp point. The mare's body is covered in steel-grey fur, giving her an almost metallic appearance - this is complimented by her legs, which are black to the knee, and her muzzle, which is also dipped in a deep onyx hue. Her mane and tail are made up of this same black shade, with her eyes a piercing blue.

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Nyx is a rather odd individual, secretive but with an uncanny ability to babble on for hours without actually giving anything away. Blunt and opinionated to the point of tactlessness, she spares nobody's feelings - if she thinks something, she'll more than likely say it. Stubborn and unyielding, the girl could probably be described as muleish, unwilling to bend or obey the command of somebody she does not deem worthy. However, she is generally subservient to stallions, believing them to be the superior gender and thus able to command her, meaning she is far more likely to obey a man than another woman. Nyx has been called disloyal in the past due to the fact her herd in the wilderness changed lead stallions regularly, and she had little problem switching her allegiance and bearing foals to the new king. Loyalty is a fleeing thing for her, largely because she places such value on physical strength like a true warrior. She will give her devotion to a leader once she has ascertained their prowess in battle and will fight to the death for them, but it is very rare that she remains in any way loyal to a fallen monarch. She believes in strength, and chooses to ally herself with those she deems strongest. War-minded and a born soldier, Nyx has a tactician's mind and loves drawing up battle strategies.

The storm queen isn't afraid to stand her ground, stonelike and stoic, normally with a sarcastic comment to go with it. She can be defiant if she disagrees with something, and isn't afraid to face pain for her beliefs. She possesses a dry, cynical sense of humour and a quickfire wit, often utilised as a defence mechanism. She is quite a competent warrior, a capable fighter and does not shy away from pain, however she will openly admit to being quite jumpy and skittish around strange new things. She is quite a playful woman, perhaps even goofy, and when she's in a good mood she has a cheery disposition - when she's in a bad mood, however, she walks around with the metaphorical stormcloud above her head.

- Has a deep ingrained fear of predators (except, of course, for Dominus) and especially dislikes dragons.
- Loves thunderstorms, and can often be found chasing them or simply standing in them.
- Places great value in physical strength. Is only loyal to those who she knows to be good warriors, and will only let a stallion breed with her if he can defeat her in battle, to ensure she bears only strong foals.
- Dislikes direct eye contact, especially towards her superiors, as she believes it to be a sign of dominance and associates it with predators.

Born in Isilme, to parents Nato and Querida. She was born blind, her eyes naught but creamy spheres within her head - she was also born with the power to create thunderstorms, something she utilised a lot as a child before she was able to control it. Her mother loathed her for her weakness, and lovelessly shunned her - this drove Nyx to do something about her disability, and thus she sought out the Tome Guardian, who agreed to swap her sight for her storm power. Now able-bodied, Nyx hoped her mother would show her more affection, but she was sorely disappointed. Still, her new eyes gave her a different lease of life, and she found herself leaving Isilme and her abusive dam to find her fortune elsewhere.

She wandered for a year or two until she reached adulthood, at which point she fell in with a herd of mixed-species mares and their leading stallion - or, rather, whichever leading stallion happened to be leading that month, as they tended to change rather quickly once they became unable to defend their women. She bore several children to these males, as was her duty, and raised them with far more love than she had ever been shown in her youth, as though to compensate for her own poor childhood. Her daughters grew up beside her and she developed close bonds with them, whilst her sons were chased away as soon as they became of age. Her life continued in this manner for many years, until the herd disbanded when the leading stallion died without a replacement. She marauded as a rogue, until her path lead her into Helovia...

IN HELOVIA
- Enters Helovia to be greeted by Sacre, Lace and her father Nato. After a reunion, Lace invites the pair to join him in the World's Edge herd. She gleefully accepts, and she and her father follow Lace to their new home.
- They find it guarded by a wall of glass; after much walking into it, they manage to find the entrance and are greeted by Kaj and Vikram, warriors of the herd.
- Heads out to explore Helovia; meets Ciceron and Evangeline during her travels and discusses their companions.
- Meets d'Artagnan and Mauja; is initially terrified by d'Artagnan's hellhound, Aramis, and wary of both stallions who do not hide their racism, a viewpoint Nyx doesn't share. D'Artagnan leaves, and Nyx and Mauja speak for a short while longer.
- Spars with Tamlin, a young colt, and wins.
- Attends a herd meeting held by Mirage, where Lace is placed as leader of the World's Edge.
- Meets Gaucho, speaks about his snake, Mara, and the Sun God. He takes her to see this Sun God, but as they approach the Veins, they become aware of a darkness spreading through Helovia. Nyx flees to the caves, sensing safety.
- Attends a W.A.R meeting held by Gaucho, and agrees to fight the wraiths with him.
- Spars with Archibald, but loses.
- Heads to the World's Edge to warn Nato; finds him with Resplendesence and Mikhail. They are attacked by Aurelia, and Nyx foolishly stands her ground and is infected.
- Is healed by Nato and Hella, by being beaten and pushed into a healing pool.
- Finds an egg and decides to keep it in the hope it will hatch into a companion animal. Joined by Mauja.
- Her egg hatches into a white lion cub. Initially terrified, Nyx shuns it, but it forces its way into her mind and they bond.
- Is kidnapped by Confutatis and Morir. Agrees to join their Regime, but they disappear shortly afterwards.
- Leaves Helovia in search of her father.