Sigrid "Relentless" Haddock is Stoick the Vast and Valka's firstborn child. Surpassing Hiccup by four years, she is 19 years old when her brother catches the infamous Night Fury, which ends up changing the ways of Berk forever. This story will take place throughout all of the movies and shows, which includes in canonical order: How to Train Your Dragon (movie), Riders of Berk (TV show), Defenders of Berk (TV show), Race to the Edge (TV show), How to Train Your Dragon 2 (movie), How to Train Your Dragon 3 (movie) and How to Train Your Dragon: Homecoming (short film). This fanfiction can be found on Wattpad and A03 under the username: SuchAJoker. NOTE: cover artwork made by me.

In the time Hiccup met Toothless, there were others who befriended, tamed, trapped, and slew dragons. Far and away from the Berkian Archipelago, in a strange sea, another young man will undergo a life-changing event thanks to dragons. What comes from this is a bond forged in fire and fish, and a journey to stop the fighting.

What treachery will you and The Treacherous Knight Mordred commit? Only one way to find out as you and Mordred work together in a Holy Grail War where you are sure to encounter new and old faces along the way.

Koyuki Dragoon is an Ice and Water Dragon Slayer and a mage of Fairy tail. Her dragon parents disappeared the same year as every dragon, year 777. After being discovered and adopted by the Fire Dragon Slayer, Natsu Dragneel, her whole life changed. Years later, after living with her polar opposite brother figure, things seemed well for the young mage, until one mission. The two went on said mission with their team to investigate an active ruins that's being used for the Dark guilds use. Things take a turn for the worse for team Natsu, a dimension was opened and the Ice-Water Dragon Slayer mage was absorbed and taken far away from home and placed in a world where magic is not the norm, but abilities called Quirks. "...We're not in Earthland anymore..."