Return to your seat!
|—The Steward, as a demand towards Tulip.|
The Steward is an enigmatic robotic "creature" composed primarily of a white mask that has multiple tentacle-like cables extending from it, with each ending in a three-clawed "hand". The mask is primarily white and resembles the face of a human with gray lips. Its mechanized nature becomes more apparent when the mask is removed, as behind it is an inner working of gears and a flame producing tube, akin to a flamethrower. It produces neon blue flames that seep out through the eyes of the mask. It has also been seen to produce barrels that shoot out bullets from its eyes. Below the mask is a small slot that can be used by One-One to control the Steward as an exo-suit.
Following its destruction by Atticus in "The Engine," One-One rebuilt the Steward to use in managing the train. The Steward appears more or less functional, although its mask now sports several cracks and it seems to have lost the ability to talk.
Due to its morphology, the Steward has extreme versatility in movement and in combat. Its cables allow it to have massive reach and long strides. The cables, though thin, pack a powerful punch, being able to flick Atticus to the side without effort. It can also use it to entangle opponents, as seen when it coiled around Tulip's ankle to prevent her from escaping. Each of the cables are tipped with three blade-like claws at the end. The Steward can also shoot bullets from barrels it can produce from behind its mask that protrudes through the eyes. It appears to follow commands based on a sequence of a four notes (the theme for the series), although it does not appear to matter where the song comes from as One-One and Amelia were able to command the Steward using it. The Steward also has some form of self-destruct sequence where its eyes flash red for several seconds before it being obliterated in a explosion of white light destroying everything in a large radius.
The Steward appears to have been designed to serve as One-One's primary means of getting around the train and managing day-to-day operations easily. Following Amelia Hughes's take over of the train, it was used by her as an assistant, picking up power orbs from the various cars to use in her efforts to create a car of her old life with Alrick Timmens. It was also used to enforce Amelia's philosophy as conductor that the passengers were better off remaining in their own cars.
The presence of the Steward is first alluded to by Atticus, explaining that a monster has been terrorizing their nation for a week. On their quest to find it, they discover a spider making shadows that resemble the Steward and mistake the insect for the monstrous robot. Soon, however, the real Steward is discovered, managing the cores that determine the objects present in the car. One-One accidentally makes their presence known, causing it to open fire on the trio. Although it initially appears as if it has claimed Tulip, One-One falls out of her backpack, causing the Steward to end its attack and leave the car, likely reporting One-One to the Conductor.
The Steward appears only after Tulip and company have left the car that the Cat resides in. It grabs the Cat and questions where Tulip is, and is disappointed when the Cat explains that she had escaped the tape of memories and left. After warning The Cat not to not slip up again, it leaves while destroying her belongings.
The Steward, with the Cat's help, tracks down the gang to the Ball Pit Car. Initially hiding in the shadows, it soon launches its attack after Tulip clears Khaki Bottoms' trial. Although the gang tries to hide from it, it is alarmed to the presence of Tulip by the jelly toy she dropped. Destroying the slides and tunnels, it is briefly distracted by Atticus's efforts but eventually captures Tulip, and the Cat and Conductor soon follow behind it. The Conductor then orders the Steward to shoot at one of the tunnels that One-One went down, nearly killing the Cat in the process. Atticus attacks the Steward, though he is quickly shot and mutated by the Conductor into a Gohm, with the Steward leaving soon after.
The Steward is seen deactivated in the episode, though the Conductor reactivates it to attack Tulip and stop One-One from making it to the head of the train. Atticus' Gohm form is released from the pipe it was trapped in, attacking the robotic order-keeping android. After Atticus is freed, he destroys the mask of the Steward which seemingly kills the android.
When M.T. starts destroying the Porters out of frustration due to not getting a number, the repaired Steward arrives and disarms her before towering over the terrified denizen. Its mask then lifts up to reveal One-One, who asks her to stop unless she wants him to start writing her obituary.
The Steward arrives at the Astro Queue Car and issues an announcement from One under the instruction of Amelia. The Steward returns Ryan and Min-Gi's clothing and personal items, which are kept in a storage container, and leaves the car.
Under Amelia's influence, the Steward enters the Castle Car and declares all passengers are "On their own now." before taking Ryan and Min-Gi's magnet shoes. The Steward moves erratically before activating a self-detonation system before leaping out of a nearby window a explodes destroying a portion of the castle in the process.
- A steward/stewardess is a person that oversees the passengers of a given locomotive craft.
- The Steward very strongly resembles 'Satan' from the animated adaptation of The Mysterious Stranger from The Adventures of Mark Twain, an animated segment that Owen has claimed to have inspired Infinity Train.
- In a Reddit AMA Owen Dennis states that at the time of Book 4 there were multiple stewards; the fact that this Steward is the only one seen during the present day and the fact that One-One had to rebuild it rather than just use a different one implies it is one of the few left.
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