Fourth Floor is the next major destination for William Oh and Loth after their campaigns below, but it is also a threshold defined by preparation rather than immediate arrival. The available scenes associate it with a dangerous stilt-bar, a substantial level gap, Loth’s recovery from the destruction of Oilton, and the practical need for William Oh to continue grinding before the party can advance.

Definition and Setting

Fourth Floor is a tower level reached after the lower-floor territories, including the Second Floor and the Hunting Grounds. It is already inhabited by experienced Climbers: a level-25 Climber known as Thug McBandit is encountered in a stilt-bar there, making the location a social as well as physical frontier. The setting’s danger is conveyed through the testimony of that Climber, who describes William Oh fighting alone with extreme viciousness. Fourth Floor therefore appears as a place where reputations are made among hardened adventurers and where an entrant’s survival can become a story before the entrant has even settled there.

The Threshold of Advancement

William Oh and Loth do not treat Fourth Floor as an automatic reward for surviving their previous exploits. Loth’s own plan is to join grinders, return to the Second Floor, and feed Summer Relics until Summer Relics grows by a size or two; only after that preparation does she expect the party to be ready to advance. Her account also acknowledges that she had been less useful than she wanted during the preceding stretch, so the ascent is framed as a matter of correcting weakness rather than merely claiming a higher position.

The party’s progress is similarly constrained by recovery. Loth has already reached the level cap for the current floor, but she is physically incapacitated after blowing up Oilton. She must regrow her scales and endure hypersensitivity and pain while moving from a rental wheelchair. William Oh consequently intends to grind in her place while she recovers. The route to Fourth Floor is thus divided between advancement and maintenance: one member has reached the available limit, yet the group cannot proceed until the cost of reaching that limit has been paid in healing time and renewed preparation.

William Oh and Loth’s Planned Ascent

William Oh and Loth plan to return to the Hunting Grounds to visit family before attempting Fourth Floor. This planned detour gives the destination a familial and logistical dimension. The ascent is not presented as a purely individual climb toward abstract power; it remains tied to party obligations, recovery, and the relationships that anchor the Climbers to earlier floors.

William Oh’s abilities also suggest that the next floor will be approached with an altered tactical profile. When Carrie asks whether he can fly, he confirms that he can, while minimizing the ability’s usefulness because its duration is short. That limited flight does not make Fourth Floor easy, but it adds another resource to the party’s preparations and contrasts with the more laborious grinding and recovery that still govern their movement.

Narrative Significance

Fourth Floor functions as a threshold between what William Oh and Loth have already survived and the next escalation of the climb. Its presence is felt through preparation, testimony, and anticipated movement rather than through a fully described arrival. The level-25 Climber’s account places William Oh’s solitary violence against the social scale of the destination, while Loth’s recovery and the plan to strengthen Summer Relics emphasize that advancement carries bodily, tactical, and relational costs.

The location also sharpens the book’s recurring contrast between ascent and readiness. Reaching a higher floor is not synonymous with being prepared for it. William Oh can fly for a short duration, Loth has exhausted the current floor’s level progression, and yet the party still needs grinding, recovery, and a return to family territory before moving upward. Fourth Floor therefore represents both the promise of progression and the pressure imposed by the next stage of the climb.