Felix Argyle | Your feline friend

Felix Argyle, commonly known as Ferris, is Crusch Karsten's knight, a member of her camp, and a member of the Royal Guard. He plays a major supporting role in Arc 3 and a supporting role in Arc 5. He is also one of the main protagonists of The Dream the Lion King Saw and The Travelogue of the Finest.

Though born of the fallen House Argyle, Ferris is a longtime friend of Crusch, having been raised like family ever since she rescued him. Despite the troubles brought about by his demi-human traits, Ferris has shown himself to be the best healer throughout the Kingdom of Lugunica, earning himself the title of Blue and a place within the Royal Guard. Following the death of Fourier Lugunica, Ferris was anointed as Crusch's knight, and he strives to make Crusch the country's next monarch.

Ferris has flax colored hair and yellow eyes, as well as cat ears and a tail. His casual wear consists of a blue collar with a ribbon, primarily white dress with a light blue chest with thin white stripes as well as a light blue hem, light blue ribbons with thin white stripes attached to the waist of the dress, a large white ribbon tied to the back of the dress, black tights, blue leggings with thin white stripes, dark blue shoes, white arm covers that are detached from the dress and leave his shoulders exposed, a dark blue scarf tied around his right arm, and a dark blue ribbon tied around his left ankle. He also wears white-and-blue ribbon hair accessories on either side of his head, which he wears regardless of his outfit.

At times, however, he can be seen wearing the standard uniform of the Royal Army, primarily whenever he is acting with the army itself or is involved with major operations such as the Subjugation of the White Whale and Sloth. In Arc 5, he wore a yukata.

Ferris usually refers to himself in third person, calling himself Ferri-chan, though he will refer to himself as Ferris or Felix depending on the situation. He also enjoys teasing other people, especially those that are surprised that he's male, using cutesy language and gestures to agitate them. He also carries a very strong point of view over life and death, and although he hides it through his actions and words, as a healer, he holds those who no longer have any will to live in contempt from the bottom of his heart. Because of his own complex about being weak and helpless, he often hates and finds himself disgusted with weaklings, something that initially caused him to hate Subaru. He also often feels helpless when he is unable to prevent someone from dying or heal them, as seen when he showed endless frustration and disgust at seeing all of the victims of the Sin Archbishop of Lust. He attributes his father and the cruel abuse he suffered at his father's hand as being responsible for depriving him from the body he could have had, and accordingly, for being too physically weak to protect Crusch

In his youth, he greatly hated his parents for locking him up and abusing him, and by the point that he was freed, upon seeing his mother, he attempted to attack her as soon as he saw her for the many years of injustice he faced, though he was stopped by Crusch. Despite this, following being saved, cleaned up, and given a new home and family, Felix become extremely loyal to Crusch, to the point that he tried to train himself in the way of the sword, despite having no talent for it, and learned how to use healing magic to be of assistance to her, and he is constantly thankful for Crusch and for her giving him a way of life when he had lacked one. When Crusch one day unloaded her worries about the way she is seen for her behavior and more masculine preferences and the way she gets scolded by her father, Felix made a promise with Crusch that he would act as Crusch's feminine side while Crusch could be the man that he never could, a promise that was kept for years, and after his name was misheard as Ferris, he started using that name in place of his own.

Because of his loyalty to her, Ferris can get extremely emotional when it comes to Crusch; there are times that he will suggest things that she herself does not want, such as when he proposed nulling the alliance between the Crusch Camp and Emilia Camp after she was attacked by the Witch Cult to prevent her from being involved with such danger again, or the time when she was infected by Capella's dragon blood, becoming visibly stressed by her poor condition and even going as far as to demand to see a captured Sirius so he could torture her to gain information on how to cure her, and at one point, he even had to use Subaru as a support when he didn't know what to do because of this and his inability to help her. Likewise, for others that he is close to, such as the late Fourier, he was willing to attempt to perfect the Sacrament of the Immortal King so that he could bring him back to life perfectly, though Fourier ultimately convinced him not to do this.

Abilities Overall Power Ferris has at one point been called one of the weakest characters in the series by the author. Due to his constitution and Divine Protection, although he would be among the hardest characters to kill, he has no combat capabilities. He lacks all talent with the blade, and though he has a strong aptitude with water magic and can effectively paralyze a person with his magic, he has no true offensive capabilities. However, he makes up for this by being the greatest healer in the world, his healing magic entirely unmatched by anyone.

Divine Protection Divine Protection of Water: Ferris's Divine Protection grants him a strong aptitude for healing magic.

Magic Ferris has a strong natural affinity for the water attribute and a deep connection to water mana as a whole, and according to the author, he has one of the deepest wells of mana to draw from. He has extraordinary capabilities and talent with healing magic thanks to the combination of his bloodline and his Divine Protection of Water. He is so exceptional with it, in fact, that in his desperation to heal his master, he had elevated the field of healing magic in the Kingdom by "three whole levels," and his already impressive healing magic had improved tremendously, enough so that it was capable of surprising a Great Spirit capable of healing magic like Beatrice. However, he has no aptitude for attack magic.

Spells Healing Magic: Ferris can summon Water Mana through a person's body which stimulates an individual's natural healing capabilities and speeds up wound recoveries. Healing magic can help restore an injured body or cure a target of any ailment they might have within an instant. That being said, healing magic can only treat physical wounds and ailments whilst having no effect on mental afflictions. The skill, talent, and raw power of the mage using healing magic naturally affects the effectiveness of the treatment. Ferris is a healing prodigy who is considered to the greatest healer in the Kingdom if not the world, earning him the alias of Blue. He can, with little effort, instantly bring someone back to perfect health from the brink of death, and even a gravely wounded person can be completely healed by Ferris without so much as a scar to show after the healing procedure. Ferris can even seamlessly reattach lost limbs such as when he reattached Crusch's cut-off right forearm after it had been cleanly severed by the Sin Archbishop of Greed. There are, however, at least two known afflictions that not even Ferris can heal: the illness that felled the Kingdom's entire Royal Family and the curse caused by Sin Archbishop of Lust's Dragon's blood. Additionally, the target of Ferris's healing magic needs to still have an ember of life within them for him to be able to save them, as even someone who had only recently passed away cannot be rejuvenated by Ferris. Perpetual Healing: Ferris is capable of using his magic on a person in order to force their body to heal at a rapid rate on its own, even once Ferris has stepped away. However, this is entirely dependent on the amount of mana available to the target, and if their mana is exhausted, then the healing will not work. When he used this on Aldebaran, whose gate was connected to Volcanica's and was providing him a practically inexhaustible amount of mana, even after Ferris had been moved away from him and Al was even slashed in half by Reinhard, he rapidly healed from the fatal damage, as if it had never happened before.

Bodily Function Manipulation: Ferris can also use his magic in order to tamper with a target's internal functions. For example, Ferris can make someone's body go out of control, enabling him to do things such as using their body like a puppet or destroying the circulatory system of their Gate from inside. Likewise, he can use his magic to mostly nullify a target's pain, though he typically avoids doing this so that his target doesn't overextend themselves and make their injuries worse. Sacrament of the Immortal King: Sacrament of the Immortal King is an ancient and incredibly powerful spell created by an unknown Witch long ago. The spell, when cast correctly, will allow the user to reanimate corpses of the dead and make them do their bidding. Sadly, the technique to properly cast the spell has been long lost to time, and only an incomplete incantation exists which was transcribed in an old and withered book regarded as the most important heirloom of House Argyle. Originally, the spell was thought to be capable of fully reviving a dead person, and there are legends of the aforementioned Witch being supposedly capable of bringing back people exactly as they were before their demise. Effectively, the written chunks of the spell's full passage is incapable of producing anything more than walking corpses with no soul of their own, creating "corpse soldiers" whose flesh slowly withers away and decomposes through time. To further limit the usefulness of this mostly-lost spell, a caster with an extremely rare natural affinity for it must be found in order to recreate even the most basic effects of this forbidden spell. Ferris used this spell once, roughly a year before the start of the main story, on the two-year-old corpse of his mother — who had been repeatedly stabbed and killed by her husband and Ferris' father Biehn Argyle. Upon chanting the incomplete incantation, a faint blue light transferred from his palms and seeped into the dead body, springing it back to life almost immediately. In total, the corpse had remained "alive" for no more than a couple of seconds as almost immediately after opening her eyes, Hannah strangled Biehn and — after killing him — dissipated to dust. Perhaps the most enigmatic thing about the whole ordeal was Hannah's faint but genuine smile upon laying her eyes on her husband and her supposed son — something that was not a possible reaction from one of Biehn's countless reanimated corpses.

Physical Traits/Flow Method Due to his deep connection to water mana and his regenerative capabilities, his body is considerably weak, and he cannot use the Flow Method.

Heightened Senses: Due to the demi-human blood flowing through his veins, Ferris sensory organs were significantly enhanced past the limitations displayed by most humans. His cat-like ears in particular were able to detect the slightest change in his surroundings to the point that he could tell when someone turned to look at him. Because of his excellent hearing, he could always tell when someone was approaching him, with the exception of Reinhard van Astrea.

Other Pseudo-Immortality: One way Ferris' body differs from most humans and demi-humans is his extraordinary connection with Water Mana, which imbues it with the passive effect of rapid cellular regeneration. With this in effect, it means he can resurrect from death. However, in exchange it further weakens his ability to fight, and it is unknown if he has a limit to how many times he can do this.

Equipment Sword: Ferris owns a short sword he received from Crusch, but as he doesn't like to damage his skin, he generally refuses to wield it. He has wielded it once in an effort to intimidate an unimpressed Capella, but he otherwise has not talent with the blade.