Beyond the Rails is the main endgame challenge mode in Neverness to Everness (NTE). It's structured like the "tower" content in other gacha titles, with stops that scale in difficulty, fixed time targets, elemental weaknesses, and selectable buffs that change how each run plays out. Clearing it is the largest single source of Annulith outside of one-time milestone rewards, which makes it the long-term endgame for most players.
Quick answer: Beyond the Rails has two tiers, Prime Circle and Fracture Circle. Prime Circle is the standard tier worth up to 700 Annulith per cycle. Fracture Circle is the harder tier worth up to 1,600 Annulith per cycle. Special Routes inside the mode reset and rotate with each new game version.

What Beyond the Rails is in NTE
Beyond the Rails sits inside the Anomaly Metro framework, themed around the in-world "Ghost Train." Each run is a sequence of stops where you fight enemies under fixed conditions. Stops apply elemental weaknesses, set a clear-time target, and let you pick from a pool of buffs before the fight starts. Damage and break performance both matter, since several Esper Cycle reactions interact directly with break bars and DOT tiers used at higher stops.
The mode is split into two difficulty tiers that exist side by side. Prime Circle is the easier tier and is intended as the first endgame target after you finish the prologue and reach the relevant Hunter and Appraisal milestones. Fracture Circle sits above it and is the highest difficulty currently in the game. Players who pre-cleared Fracture Circle very early have done it under the level 50 cap, but it's tuned for a fully built roster with strong Arcs, modules, and awakenings.
Prime Circle and Fracture Circle compared
| Tier | Role | Annulith reward (1.0 cycle) | Notes |
|---|---|---|---|
| Prime Circle | Standard endgame tier | Up to 700 | First endgame target; fewer mechanical demands |
| Fracture Circle | High-difficulty endgame tier | Up to 1,600 | Two teams required after stop 5; tighter time targets |
The Annulith totals shown are the cumulative one-time launch rewards for full clears in the 1.0 cycle. Each new version brings a fresh set of Special Routes inside Beyond the Rails, and those routes carry their own rotating reward pool that resets when the version updates.

Stops, time targets, and buffs
Each stop is a self-contained encounter. You pick buffs from the pool offered for that run, swap to a team that matches the stop's elemental weakness, and try to clear inside the time target. Better times produce higher star ratings, and full-star clears are what unlock the largest reward tiers per run.
The buff system is selectable per route rather than purely random. Strong runs usually involve stacking buffs that match your team's main reaction. Scorch teams favor DOT and damage-amp buffs, Nova teams favor delay-burst boosts, Charge and Remora teams favor swap and energy buffs, and break-focused teams prioritize anything that increases break intensity or extends the broken state.
The two-team rule after stop 5
From the fifth stop onward, Beyond the Rails switches from a single-team format to a two-team format. You assign one team to the inbound side and another to the outbound side, and buffs are picked separately for each. This is why most progression guides recommend building two complete four-character teams rather than over-investing in only one.
Practical pairings used in the current cycle include a Sakiri or Baicang Scorch team alongside a Hathor-anchored Charge or Remora team, or a Nanally Blossom team paired with a Daffodill-led Nova or break team. The Free S-Class character Chiz works as a strong Charge driver alongside Hathor when paired with Zero, and is reachable without any pulls through City Tycoon progression.

How to verify a clear
A stop is counted as cleared when the timer stops, and the result screen displays the star rating along with the route's reward tier. Annulith and other items from Beyond the Rails are sent to your in-game mail, so a successful clear shows up there shortly after the result screen. The mode page also marks the route as completed and tracks your best clear time for the current version.
If a run does not register a clear, the most common reasons are missing the time target, failing the route's specific objective on a stop that has one, or quitting before the result screen finalizes. Restarting the same stop is allowed and does not consume additional account-level resources beyond stamina-free retry attempts.
When Beyond the Rails unlocks
Beyond the Rails is not available immediately. You need to finish the prologue chain and reach the Appraisal and Hunter Level thresholds that gate endgame content before the mode appears in your progression menu. Practically, this means clearing Prologue 2, hitting the Appraisal milestones in the 30 to 40 range, and pushing far enough into Miguel District to reach the train station area where the Anomaly Metro storyline begins.
The "Norms on the Anomaly Express" side mission, which starts at the Beyond the Rails Anomaly Zone in Miguel District with Miss Levi, is part of the same train-themed content cluster. It rewards a Train Ticket along with 60 Annulith, 15,000 Fons, 12 Senior Hunter Guides, 12 Colorless Dye, and 30,000 Beetle Coins, but it is a separate side quest rather than an unlock requirement for Beyond the Rails itself.

Reward reset cadence
Beyond the Rails uses a version-based reset rather than a weekly one. Special Routes and their reward chests refresh whenever NTE updates to a new version, which means the big Annulith payouts from a route rotation come back into reach with each patch. Daily and event content runs on its own resets and is separate from the Beyond the Rails route cycle.
Note: Because route layouts, weaknesses, and time targets can change between versions, team and buff plans optimized for one cycle may need adjustment when a new version goes live. The underlying mechanics, two-team structure, and tier split between Prime Circle and Fracture Circle stay the same across versions.
Where Beyond the Rails fits in your progression
Treat Prime Circle as the natural target right after you finish your first complete four-character team, and Fracture Circle as the goal once you have two viable teams with strong Arcs and at least partially leveled modules. Pulling resources from Beyond the Rails into pity progress on the limited banner is one of the more efficient ways to keep building your roster, since the mode's Annulith totals are large compared with most other repeatable systems in the game.
A clean priority order is to finish Prologue 2, raise Appraisal Level to where Beyond the Rails appears, build one main team and one swap team, clear Prime Circle for the standard reward block, then push Fracture Circle stop by stop. Each version cycle reopens the route rewards, so a steady clear pattern compounds well over time.