Note; not a full story, as i can't write this into a decent one to save my life, however, you are free to attempt to do what i cannot, just contact me first. okay? okay.
Void, age 4, End, age 6 the library burns,around Void, he is saved by End, who realizes he must grow up so he can protect his brother.
Void, age 5, End age 7 Void no longer responds to his name, and has grown an unhealthy fascination with fire End takes the name Ragnarok, despising what his old one implies, the end of something, let alone the near end of his brothers life
Void age 6, Ragnarok age 8 Ragnarok calls his brother Abyss, the child reacts finally, asking his elder sibling if this is the end... or the beginning.
Abyss, age 7, Ragnarok age 9 a fight breaks out between the mothers of Abyss, causing a rift, the younger twin leaves, not to be seen for years, the elder grows an unnatural love for her son
Abyss age 8, Ragnarok age 10 Ragnarok gains many awards for his martial arts prowess, passing all his classes with 100%
Abyss age 9, Ragnarok age 11 Ragnarok creates a mask to hide his scars.
Abyss sets himself on fire on purpose for the first time, his mother and brother are horrified, only to find he is unharmed by the flames
Abyss age 10, Ragnarok age 12 Ragnarok creates a method of controlling the fires Abyss creates in case he ever looses control
Abyss age 11, Ragnarok age 13 the younger twin mother returns, welcomed by Ragnarok.
the Elder twin keeps Abyss as far from her sister as possible, causing the brothers to barely see each other for months at a time. causing them to grow distant.
Abyss age 12, Ragnarok age 14 the younger twin takes care of Ragnarok, further separating the brothers Abyss goes missing, all three members of the split family search for him frantically, only to find him hours later, reading a foreign comic book with The Warden of Tartarus, Ica
Abyss age 13, Ragnarok age 15 Ragnarok builds a library for his brother and a device to contact him The Warden becomes a semi-permanent resident, acting as tutor to both brothers, finally bringing them closer after so many years, Abyss introduces his new friend, Chronos, to Anime and Manga
Abyss age 14, Ragnarok age 16 Ragnarok leaves to college, remaining there for 4 years Abyss seems to have gone mad over the absence of his brother, becoming violent and his fascination with fire growing to full on Pyromania, the younger twin mother send him to a mental institute, despite the protests of the elder twin and the Warden.
Abyss age 18, Ragnarok age 20 Ragnarok return, furious at the younger twin for her actions, he storms off to see his brother.
Abyss Burns the institute to ashes mere minutes before Ragnarok arrives, he is the only survivor, no one attempts to place him in another one.
with Ragnarok returned, Abyss stabilizes, becoming much less violent and more laid back, his habit of setting random things on fire narrows until he only does it to himself when extremely bored.