There were a lot of moments that foreshadow future events in the Infinity Train: Blossomverse.
The Main Trilogy
Infinity Train: Blossoming Trail
- Before the train arrives for Chloe, she's shown destroying trash cans with a pipe. Chapters later, she receives a pipe (sorry, "donut holer") courtesy of Randall.
- Somebody with the screen name of 'Tri_pod' responds to a post that Goh made about Chloe's disappearance remarking that it reminds them of their own experience and that they'll be visiting Vermilion City in a few days. They also allude to wanting to speak with 'the Alola League Champion', further hinting at their identity as Trip, the Unovan photographer.
- In Chapters 4 to 6, whenever Chloe passed by the portraits of passengers that previously entered Azada, her eyes are locked into one of two teens sneering at her. Those teens? Grace and Simon who are the reason why Lexi was buried underground for eight years.
- When Professor Cerise explains to Parker that Chloe ran away because she felt no one loved her, Parker replies that he did love her. At first, you think it's just a little brother stating that as he's going through grief over learning his sister is gone. But Chapter 9 reveals that he knew all about Chloe's love of nightmarish stuff. Moreover, aside from Parental Favoritism problems, Chloe never says anything bad about her brother, hinting that they have a close bond.
- In Trip's Flashback about his encounter with the Apex, it ended with him entering a car filled with charcoal and given ice cream by a penguin. This penguin was Cara, Nico's best friend, who had been staying in the Charcoal Car to hide from the Apex.
- While discussing the Apex, Chloe quotes "The Mariner's Revenge Song" while suggesting how to punish them for their crimes. A later Flashback reveals this is not the first time she's done this — she also paraphrases the lyrics while attacking Sara and threatening to kill her classmates after being shoved past her breaking point.
- Moreover, her argument with Lexi about wanting vengeance against those who did wrong but not wanting them injured or dead. She already dealt with that back at home when she beat up her bully with a paint can.
- Lexi muses in Butterscotch Beach that he wishes he could just get a map that shows off the location of the Apex. He gets one in the Hidden Temple Car.
- Vanilla compliments Nico's work with the ice-cream sandwich bagels. Later, she's the one who volunteers to give him some of her ice cream so he can make more.
- After Trip bluntly tells Ash that he did nothing to help Chloe yet would give the shirt off his back for his previous friends, he awkwardly thanks the Pallet Town trainer for being himself. The chapter after that explains that the Self-Portrait Car — which makes a portrait of the person on your mind — made a copy of Ash that segues to Trip saying that he has a crush on him.
- In Chapter 10, Parker asks his mom to make a picture of Chloe as a witch with a little thought bubble showing Goh being tortured. This foreshadows how he wishes to have his sister punish those who hurt her, what he really thinks about Goh and how he's going to trap Goh into a nightmare in Arc 2.
- Chloe's dream has her as "Chloe Red Riding Hood". In The Hidden Temple Car, her gift from Olmec is a red cloak.
- In the very same chapter, Chloe's alarm clock is Creature Feature's cover of "Bury a Friend" with the last lyrics being "Bury the hatchet or bury a friend right now". This foreshadows the end of the Nightmare Sequence of Chapter 21, when Goh gives up on trying to bury the hatchet and settles with him being Buried Alive, symbolizing that he is now utterly broken from everything.
- Professor Cerise's angry denial of his daughter's taste for the macabre makes more sense in light of Chapter 11's revelations about how she once violently retaliated against one of her bullies.
- In Chapter 12, Ash compares Chloe's wish for a world of her own reminds him of Molly Hale and the Unown. The end of the chapter has a box from her father being delivered to the Cerise Lab...
- Olmec warns Chloe that she will be encountering 'an omen' soon that will signal how dire things have become. He also prophesizes that dark times are ahead for Tuba
- Chapter 13 showcased three traits of Parker: That he's just as imaginative in writing nightmarish stories, how he is shown to give cruel punishments and that he really hates those who hurt his sister unwittingly (Ash) or otherwise (Sara and all of Chloe's classmates). Chapter 17 shows just what happens when these traits come to the surface when he unleashes the Unown.
- He also tells Class 5-E that he hopes they "burn for this". In the Cyan Desert Car, he uses the Unown to drag them into the newly warped Cerise Institute and into a room filled with fire.
- The Intermission has Hop in Room 302 of the Motostoke Pokémon Center. After he enters the Fog Car — Silent Hill — the scene cuts to Walter and Henry, who are associated with the room 302 in their game.
- In Chapter 16, Chloe does a tea-leaf reading and sees that hers is a cross and suggests that it stands for a sacrifice. The following chapter reveals that the one chosen to be Dreams for Henry and Walter's ritual, Alain, is crucified.
- Lexi and Atticus's interpretations (a crossroad and church) also are accurate. Chloe later has to learn to either continue stewing in her anger or move on and mature and she gets thrown into a church in the Fog Car by Destruction.
- During Goh's nightmare therapy, he gets to see Chloe falling off the rooftop to her death. Chloe dies by falling to her death thanks to Simon/Destruction.
- Chapter 22 has Goh stating that Zeno is just a figment in his head or in Parker's. Zeno also is acting as as a guide to help make Parker realize his mistakes with the nightmares.
- There are some scenes that foreshadow Chloe's Important Haircut:
- Before One-One signs off in the Cyan Desert Car, one piece of advice he says to Chloe is to keep her hair at a reasonable length. The Organ Man was near close to dragging her off his zeppelin because he had a grip on her long hair.
- Chapter 23 has Talia afraid of the Apex cutting off Chloe's hair before throwing her to the wheels. While the Apex don't throw her off the wheels, Chloe's hair gets cut off by Chloe asking Lexi to chop it before the Organ Man kills her.
- In the Crayon Car, Holly Blue drew a sketch of Chloe with blue hair. She later dyes part of her hair blue.
- Author notes also become signs of foreshadowing:
- One author's notes reveals that Chloe loves reading Black Butler. In The Curry Car, she is able to connect the dots that the Curry Prince is the reincarnation of Prince Soma.
- The author references how much Romin Kirshima has more character than Chloe. Romin is encountered in the Curry Car.
- Chloe once defeated Yeardley in a round of CarnEvil. She gets to play a round of real life CarnEvil in Chapter 23.
Infinity Train: Knight of the Orange Lily
- While the introduction to the Toy Brick Car arc is titled "The Six Swans", the opening fable instead tells the tale of a mouse making a disastrous deal with a cat. This makes more sense after the Black Tyrant is revealed as Penelope Mouse.
- The insignia of the Black Tyrant's armor will look quite familiar for those into Sly Cooper and the fairy tale that begins The Toy Brick Car is a parallel to a certain mouse from the series...
- The 400 Rabbits Car has a lot of foreshadowing.
- The fairy tale that starts the 400 Rabbits Car is a retelling of Paul London's story in Lucha Underground Season 4, when he murdered Mascarita Sacrada in order to obtain guidance from the White Rabbit, an action he will have to repeat on Lampetia. Similarly, the "White Rabbit" in the story is actually a human. So is the White Rabbit of the 400 Rabbits Car.
- On their way to the White Rabbit's Domain, London remarks the time he held someone hostage with a carrot. Next chapter, he tries to attack Gladion's Umbreon with a carrot.
- Kisaragi offers a drink to Gladion to which Gladion immediately refuses as he is paranoid of what would happen if he drinks it. That same drink was given to Tokio.
- Tokio wished Grace died alone while repeatedly bashing her in the stomach. Two stories later, his wish comes true as she dies when Ogami repeatedly stabs her in the stomach.
- When London asks where Easter comes from, they point to the ceiling. London assumes that Easter is a guardian angel to protect Specter. Lin confirms that it's almost accurate; Easter is from the sky, because they're a lightning bolt that struck Specter, and they do want to help Specter.
- When Death Eye shapeshifts into the worst fears of the White Gestalt, for Specter it turns into a large clay golem. The next chapter reveals that Specter has been talking to Yusaku, Takeru and Aoi about their Ignis and knowing about Earth, who also is a clay golem.
Infinity Train: Voyage of Wisteria
- Parker sees Chloe heading for dark times ahead and that her Eevee will be helpful in that regard.
- The Comm-Switch Car has a few of this in regards to Warbler's identity being a reincarnated Grace Monroe
- Warbler is initially mute but when she gains a voice, Hazel perks her head up at the sound.
- When Raboot asks how Warbler has so much sagely advice, she flusters a little by stating she got it from listening to too many sad songs, trying to dodge the question.
- Warbler has an intense dislike of Lexi. Of course she does, as Lexi really hates Grace for what she did to him years ago.
- Warbler mentioning how ten-year-olds mess up and how she knew about the rabbit and his "boy friend" in which Goh recalls the graffiti even though it was before her time. Warbler wouldn't know...her past self Grace would.
Spin-Offs
Infinity Train: Melancholy Afterlife
- Chloe is working on fulfilling a promise with someone, so it's assumed that the friend is Goh. Then it's revealed that Goh was never there during the Spearow Incident...
