robinrunaway
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FinnFinity by robinrunaway
Fandoms: Adventure Time (Cartoon 2010), Infinity Train (Cartoon)
18 Jan 2026
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Summary
25 year old Finn must grapple with his past and rocky relationships and find a way to heal himself after accidentally stepping onto the infinity train.
Inspired by episodes such as “Dungeon Train” and “Temple of Mars” in Adventure time and my love for the highly underappreciated show Infinity Train I wanted to connect these worlds. The train does a good job at delving deep into a person's strengths and flaws. Every good character has dimensions. They are made up of complicated experiences, emotions, and contradicting viewpoints. The train throws everything it can against the wall hoping something sticks. I thought Finn would fit perfectly into this scenario as it is well suited for anthology and breaking down characters, such as with a hero/martyr complex, to build them back up again. Train style therapy!
As the story progresses I will bring in/reference other characters from each franchise as well as OC's. I don't have a lot of experience with writing lately so be patient with my upload schedule. I'm very excited to see where this story goes. -
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Summary
Suggested by chamiryokuroi on tumblr, this story follows Eda's revelation, following Raine's marriage proposal, that she needs to file for a divorce from Stan Pines after not seeing him for decades.