Jeffrey, Jaden and The Secret of Kells is an upcoming crossover to be made by tigerman531 and Ren the God of Humor.
The Justice Guardians travel to an Irish village which is being defended by a giant wall to prevent a viking attack. They meet a young boy named Brendan who becomes an apprentice to an illuminator named Aiden and befriends a forest spirit named Aisling.
- Lea will guest star in this.
- Twilight Sparkle puts a spell on Aisling to protect her from Crom's darkness.
- An epilogue will take place after the Adventure.