Anomaly Farming — Optimal Open-World Hunting Route

A full pass of Hethereau's anomaly catalogue: every farmable open-world anomaly, sorted by spawn density. Verdict first, full table below, then per-profile reading for the solo grinder, the F2P, and the min-maxer. Every number on this page traces back to the imported game data — no community estimates, no inflation.

26anomalies
534total spawns
20unique drops
3conditional spawns

Verdict — should you run this route?

Yes — if you need Hethereau materials for Esper ascensions. A full Hethereau loop hits 26 anomaly types across roughly 534 spawn points. Every kill awards 1 U-00NE (the Midas Arc Workshop currency) and contributes to the four main early-tier material lines: Whispers, Silhouette, Numerals, Delusions. The route is stamina-free, which is what makes it the preferred grind over dungeon runs once your Esper roster widens.

Skip if you only want Beetle Coins or character EXP fast. Those rewards come from Hunter quests and weekly missions, not directly from anomaly kills — the open-world drop tables in the exported game data don't carry per-kill coin or EXP yields. Use Hunter daily/weekly objectives, dispatch and the dungeon rotation for those. The anomaly route is a materials-and-U-00NE play.

Strengths

One of the highest-density open-world farms in NTE — 26 anomalies, 530+ mobs in Hethereau alone.
Drops the four base Hethereau material lines (Whispers, Silhouette, Numerals, Delusions) used across early Esper Ascensions.
Every kill awards 1 U-00NE (hidden in-game) — the currency for the Midas Arc Workshop arc-exchange.
Three anomalies (Eternal Lamp, Leech Spawn, Rain-sweeping Maid) are time- or weather-gated and a good source of Anomaly-Hunting weekly variety.
No stamina cost on overworld kills — just travel time. Stamina-cheaper than dungeons for the same materials.

Trade-offs

U-00NE quantity is hidden in-game (HiddenCounts) — counters don't tick up visually.
Most material drops are uniformly weighted in the data tables; per-kill yields fluctuate considerably run to run.
Travel between dense pockets eats real time — the actual bottleneck is mounts and fast-travel, not damage.
Beetle Coin and Char. EXP yields are not exposed in the game's drop tables; you cannot precisely plan a coin-per-hour rate from data.

Optimal hunting route — by spawn density

Sorted by exact spawn count from the open-world interactive-map data, highest first. The densest anomalies sit in the top third of the table — that's where a session pays off fastest. Conditional spawns (rain, snow, night) are flagged in the last column.

Route tip. Start with Rain-sweeping Maid only when the weather is already rain or snow — if it's clear, skip her and bank the other 25 anomalies first. Eternal Lamp and Leech Spawn are night-locked; plan them at the end of your loop or under the in-game time-skip if you don't want to wait for the day–night cycle.

#	Anomaly	Density	Currency	Condition
1	Rain-sweeping MaidHethereau	51spawns	×1·	Rain or snow
2	FluffyHethereau	44spawns	×1·	Any
3	RainmanHethereau	43spawns	×1·	Any
4	The VishnusHethereau	43spawns	×1·	Any
5	Whisper SpawnHethereau	40spawns	×1·	Any
6	Haunted Record PlayerHethereau	29spawns	×1·	Any
7	Skyfish BannerHethereau	28spawns	×1·	Any
8	Haunted Vending MachineHethereau	25spawns	×1·	Any
9	Eternal LampHethereau	25spawns	×1·	Night only
10	DecomposerHethereau	23spawns	×1·	Any
11	Ora PuncherHethereau	22spawns	×1·	Any
12	Ghostly KiteHethereau	20spawns	×1·	Any
13	Wind SpawnHethereau	19spawns	×1·	Any
14	Paper SquadronHethereau	16spawns	×1·	Any
15	Lost SpawnHethereau	12spawns	×1·	Any
16	Leech SpawnHethereau	12spawns	×1·	Night only
17	NorosHethereau	12spawns	×1·	Any
18	Dream SpawnHethereau	12spawns	×1·	Any
19	BoppHethereau	10spawns	×1·	Any
20	Empty ShellHethereau	9spawns	×1·	Any
21	Cursed BladeHethereau	8spawns	×1·	Any
22	ReroRero Phone BoothHethereau	8spawns	×1·	Any
23	Feather PuppetHethereau	8spawns	×1·	Any
24	Saddy TeddyHethereau	6spawns	×1·	Any
25	OctowpusHethereau	5spawns	×1·	Any
26	Cardboard CastleHethereau	4spawns	×1·	Any

Spawn conditions — the 3 gated anomalies

Three anomalies refuse to appear unless the in-game world state is right. Bake them into your route once their condition kicks in — otherwise you'll walk past empty spawn points all session. The condition text below is the in-game hint, verbatim from the codex.

Rain-sweeping Maid

Spawns on rainy or snowy days · Hethereau · 51 spawns

In-game hint: “Only appears on days with rain or snow.”

Eternal Lamp

Spawns at night only · Hethereau · 25 spawns

In-game hint: “Only appears at night.”

Leech Spawn

Spawns at night only · Hethereau · 12 spawns

In-game hint: “Only appears at night.”

Watch out. Rainman's flavor text mentions “rainy nights” — but the actual spawn isn't strictly gated in the data (no canonical “Only appears…” marker). It shows up across weather states in normal play. Don't skip him on a clear day expecting him to be missing.

Materials you'll farm

Four early-Hethereau material lines, each with three tier variants (C → B → A) plus their bundled stack drops (×3 / ×4). The codex entries below collapse to one row per family — open any anomaly's page for the full tier table.

Whispers3 tiers · C / B / A
Delusions3 tiers · C / B / A
Silhouette3 tiers · C / B / A
Numeral3 tiers · C / B / A

By player profile — what's in it for you

New player (first 10 hours)

Don't farm anomalies yet. Push the main story to unlock the Hunter system, mounts and the Midas Arc Workshop first — the workshop is what turns U-00NE into anything useful, and without a mount the travel time between dense pockets kills your ratio. Pick anomalies up only after your party can clear a 30-mob cluster without retreating.

F2P / budget player

This is your route. Material grind from dungeons costs stamina — anomaly kills don't. Run the densest top half of the table (Rain-sweeping Maid → Wind Spawn) for the four ascension lines you'll always need, then redeem U-00NE at the Midas Arc Workshop for the arc you're building toward. Repeat on alternate days with dungeon rotations.

Invested / mid-progression

Use anomaly farming as background filler while waiting on stamina resets or weekly content. The densest 7 anomalies (≥ 28 spawns each) account for ~half of every loop's drops — clear those, skip the long-tail singletons (Cardboard Castle, Octowpus, Saddy Teddy) unless you specifically need that family. Bank weather-gated spawns for natural rain days.

Endgame / theorycrafter

Anomaly farming is no longer your primary materials source — Weekly Bosses, Trials and the dungeon rotation are. What anomalies still give you is steady U-00NE for arc-pity at the Workshop and a reason to keep open-world clears clean for the Hunter weekly. Run only the three conditioned spawns to tick their unique-weather-kill objectives, then move on.

Story / casual

Don't think of it as a route at all. Kill what's in your path on the way to story objectives, redeem U-00NE when you hit a round number, and let the materials accumulate passively. You'll have what you need by the time a node asks for it.

FAQ

How many anomalies are there in Neverness to Everness?

26 farmable open-world anomalies are catalogued in the codex (excluding bosses, which have their own detail pages). Together they account for 534 individual spawn markers across Hethereau and surrounding zones.

How much U-00NE do you get per anomaly kill?

Exactly 1 U-00NE per kill, with the count hidden in-game (HiddenCounts flag in the drop table — your inventory counter doesn't pop on each kill). The drop is level-independent (player level 0 to 100). For a full Hethereau clear that's roughly 534 U-00NE if you hit every spawn.

Do anomalies drop Beetle Coins or Char. EXP?

Not directly. The open-world anomaly drop tables in the exported game data don't reference either Beetle Coins (Gold) or Char. EXP (CharacterUpExp). Those rewards come from Hunter daily and weekly missions, story quests, dispatch and the dungeon clears attached to anomaly hunts — the runtime layers around the kill, not the kill itself. We don't publish a per-kill coin rate here because we can't verify it from the data.

Which anomaly has the most spawns?

Rain-sweeping Maid, at 51 spawn points — but she only appears on rainy or snowy days. The densest unconditional spawn is Fluffy at 44 markers.

What time does Eternal Lamp spawn?

Eternal Lamp and Leech Spawn both spawn at night only (the codex hint is verbatim “Only appears at night.”). Use the in-game time skip near a campfire to roll night without waiting on the real-world clock.

What's the fastest route — clockwise or counter-clockwise?

Density beats direction. Spend two minutes on the in-game map checking where the four densest anomalies cluster — currently Rain-sweeping Maid (51), Fluffy (44), Rainman (43) and The Vishnus (43) — these four account for ~34% of all spawns and are all in Hethereau. Loop them first, then mop up the long-tail anomalies on the way back to the Workshop.

What do I spend U-00NE on?

The Midas Arc Workshop — U-00NE is the workshop's exchange currency for Esper arcs. The codex describes U-00NE as a “sand-like substance dropped when Anomalies are nullified, which quickly disappears if not collected promptly” — practically, it's the arc-pity currency you accumulate from the open world rather than gacha.

Are the materials shared with dungeons or unique to anomalies?

The four base Hethereau lines (Whispers / Silhouette / Numerals / Delusions) drop from both anomalies and the matching dungeon rotations, but anomalies are stamina-free. Boss-tier ascension materials (Nestguard Fragment etc.) drop from Weekly Bosses only — anomalies will never give those.

How long does a full Hethereau anomaly loop take?

Player-dependent. With a maxed mount and minimal clear time per pack, count on roughly two to three hours of real-time for a clean sweep of all 26 anomaly types and ~534 spawns. Cutting the long-tail anomalies (anything under 10 spawns) saves ~30 minutes for a ~10% drop in yield.

Should I farm with a party or solo?

Hunter rewards (HunterLvExp, Hunter weekly objectives) scale up with party size — that scaling is applied at runtime by the game's Hunter system, not visible in the importable drop tables. If you have available co-op partners, run as a four-person squad. Solo is fine for U-00NE and materials, which don't scale.

Do anomalies respawn? How often?

Yes — open-world anomalies respawn on a server timer. Exact cadence isn't in the exposed data, but rotating between Hethereau districts during a long session lets older spawns cycle back. For dedicated farming, run two full loops with a 15-minute non-overlapping detour between them.

Sources & method

Anomaly catalogue and spawn counts: imported from the game's DT_MonsterManualConfig codex table and the interactive map's monsters.json marker set. Counts are the exact number of spawn points placed on the open-world map per anomaly, not estimates.
Material drops: resolved through the per-monster drop pipeline (ClientDropGroupDataTable_Monster → DropSequenceDataTable) into the items already indexed in our codex. Each anomaly's material list matches the family yield shown on its individual codex page.
U-00NE quantity, hidden-count flag and level range: read straight from the drop sequence row droplist_Ob-00NE_0 and the corresponding ClientDropGroupDataTable_Monster entry's HiddenCounts and MinLevel/ MaxLevel fields.
Spawn conditions: parsed from canonical hint sentences in the codex (UndiscoveredDesc). Only anomalies whose hint contains an explicit “Only appears at night.” or “Only appears on days with rain or snow.” are flagged — anything ambiguous (e.g. Rainman's prose “On rainy nights, it manifests…”) is intentionally left unflagged rather than guessed.
What we don't publish: Beetle Coin / Char. EXP yields per kill and party-size scaling multipliers (those run on the Hunter system at runtime and are not in the importable drop tables). Stating exact numbers there would be a guess; we'd rather omit them.

Neverness to Everness Anomaly Farming — Optimal Open-World Hunting Route (26 Anomalies, 534 Spawns)

A data-driven farming guide for every Neverness to Everness open-world anomaly. 26 farmable anomaly types are catalogued in the codex, ranged across 534 individual spawn markers — every count below is read from the interactive-map data, not estimated. Each kill awards 1 U-00NE (the Midas Arc Workshop currency) plus drops from the four early-Hethereau material lines (Whispers, Silhouette, Numerals, Delusions). Three anomalies are weather- or time-gated: Rain-sweeping Maid (rain or snow), Eternal Lamp and Leech Spawn (night only). Beetle Coin and Char. EXP yields are not exposed in the importable drop tables — those come from the Hunter system at runtime — so they are deliberately omitted here rather than guessed.

Verdict — is the anomaly route worth running?

Yes, if you need Hethereau ascension materials and U-00NE. A full sweep covers 26 anomaly types and 534 spawn markers in roughly two to three real-time hours with a maxed mount. The route is stamina-free, which is why it is the preferred grind once your Esper roster widens past the starting dungeon rotation. Skip it if you only want Beetle Coins or Char. EXP fast — those rewards come from Hunter daily/weekly objectives, not anomaly drops.

What you actually get per full loop

Roughly 534 U-00NE (hidden in-game), drops from the four base material lines used in Esper ascensions, and steady Hunter progression for the open-world weekly objectives. The U-00NE counter doesn't pop on each kill — HiddenCounts is set true in the drop tables — so check the inventory at the end of the loop to see the total.

What the data doesn't tell you

Per-kill Beetle Coin and Char. EXP quantities are not in the exposed drop tables — they run on the Hunter system at runtime. Material drop probabilities are not modelled either; group weights are uniform (1) in the data. Treat per-kill yields as fluctuating, not deterministic.

When NOT to run the route

Skip it for the first 10 hours of play (unlock mount + Midas Arc Workshop first), in the endgame once Weekly Bosses and Trials are open (better material rate per minute there), and on a clear weather day if your only target was Rain-sweeping Maid drops.

Top-density anomalies — where a full loop pays off

9 anomalies have 25 or more individual spawn markers each — the dense core of the route. These account for roughly 61% of every loop's kill count. Loop these first; the long-tail anomalies (under 10 spawns) are optional mop-up that adds about 30 minutes for a 10% drop in yield.

#1 Rain-sweeping Maid — 51 spawn points

Hethereau · Spawns on rainy or snowy days only. Drops from the 5 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#2 Fluffy — 44 spawn points

Hethereau. Drops from the 3 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#3 Rainman — 43 spawn points

Hethereau. Drops from the 5 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#4 The Vishnus — 43 spawn points

Hethereau. Drops from the 5 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#5 Whisper Spawn — 40 spawn points

Hethereau. Drops from the 5 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#6 Haunted Record Player — 29 spawn points

Hethereau. Drops from the 5 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#7 Skyfish Banner — 28 spawn points

Hethereau. Drops from the 3 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#8 Haunted Vending Machine — 25 spawn points

Hethereau. Drops from the 3 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#9 Eternal Lamp — 25 spawn points

Hethereau · Spawns at night only. Drops from the 0 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

#10 Decomposer — 23 spawn points

Hethereau. Drops from the 5 material entries linked to this anomaly's codex page, plus 1 U-00NE per kill (hidden in-game).

Conditional spawns — the 3 gated anomalies

Three anomalies refuse to appear unless the in-game world state matches a specific condition. The condition text below is the verbatim in-game codex hint — anomalies whose flavor text only suggests a condition (Rainman, Headless Rider) are NOT flagged here because the data tables don't enforce it. Plan these around the in-game day-night cycle and weather to avoid empty spawn points.

Rain-sweeping Maid — rainy or snowy weather

51 spawn points across Hethereau. In-game hint: "Only appears on days with rain or snow.". Use a campfire to skip to the matching world state if you do not want to wait for the natural cycle.

Eternal Lamp — nighttime only

25 spawn points across Hethereau. In-game hint: "Only appears at night.". Use a campfire to skip to the matching world state if you do not want to wait for the natural cycle.

Leech Spawn — nighttime only

12 spawn points across Hethereau. In-game hint: "Only appears at night.". Use a campfire to skip to the matching world state if you do not want to wait for the natural cycle.

By player profile — what's in the route for you

A single route, five reading angles. Find the row that matches your hours played and progression and read only that.

New player (first 10 hours)

Do not farm anomalies yet. Push the main story to unlock the Hunter system, mounts and the Midas Arc Workshop first. Without a mount, travel time between dense pockets destroys your yield-per-minute ratio. Pick the route up only after your party can clear a 30-mob cluster without retreating.

F2P / budget player

This is your route. Material grind from dungeons costs stamina; anomaly kills do not. Run the densest top half of the table for the four ascension lines you will always need, then redeem U-00NE at the Midas Arc Workshop for the arc you are building toward. Pair with dungeon rotations on alternate days.

Invested / mid-progression

Background filler while stamina resets or while waiting on weekly content. Run only the densest seven anomalies (25+ spawn points each); they account for roughly half of every loop's drops. Skip the long-tail singletons (Cardboard Castle, Octowpus, Saddy Teddy) unless you specifically need that family.

Endgame / theorycraft

Anomaly farming is no longer your primary materials source — Weekly Bosses, Trials and dungeon rotation outperform it. The route still gives steady U-00NE for arc-pity and a reason to keep open-world clears clean for the Hunter weekly. Run only the three conditioned spawns to tick their unique-weather-kill objectives, then move on.

Story / casual

Don't think of it as a route at all. Kill what is in your path on the way to story objectives, redeem U-00NE when you hit a round number, and let the materials accumulate passively. You will have what you need by the time a node asks for it.

How this guide is built

Every number on the page traces back to a specific game data table. No community estimates, no inflation.

Anomaly catalogue and spawn counts

Sourced from the codex table DT_MonsterManualConfig and the interactive map's monsters.json marker set. Counts are the exact number of spawn points placed on the open-world map per anomaly.

Material drop entries

Resolved through the per-monster drop pipeline (ClientDropGroupDataTable_Monster → DropSequenceDataTable) into the codex items index. Each anomaly's material list matches its individual codex page.

U-00NE quantity, hidden-count flag, level range

Read directly from the drop sequence row droplist_Ob-00NE_0 and the corresponding drop group entry's HiddenCounts and MinLevel/MaxLevel fields.

Spawn condition flags

Parsed from canonical hint sentences in UndiscoveredDesc. Only anomalies whose hint contains an explicit 'Only appears at night.' or 'Only appears on days with rain or snow.' are flagged — ambiguous prose (Rainman's 'On rainy nights, it manifests…') is intentionally left unflagged rather than guessed.

What the data does not provide

Beetle Coin / Char. EXP yields per kill, party-size scaling multipliers for the Hunter system, and per-material drop probabilities. Those run at runtime in Blueprint or C++ code. Stating exact numbers there would be a guess; the guide omits them deliberately.

Frequently Asked Questions

How many anomalies are in Neverness to Everness?

26 farmable open-world anomaly types are catalogued — bosses are separate. Together they total 534 individual spawn markers across the Hethereau region. The top ten by density are: Rain-sweeping Maid (51), Fluffy (44), Rainman (43), The Vishnus (43), Whisper Spawn (40), Haunted Record Player (29), Skyfish Banner (28), Haunted Vending Machine (25), Eternal Lamp (25), Decomposer (23).

How much U-00NE do you get per anomaly kill in Neverness to Everness?

Exactly 1 U-00NE per kill, with the in-game count hidden (HiddenCounts flag is true in the drop table). The drop is level-independent, valid for player level 0 to 100. A full clear of all 534 spawn markers yields roughly 534 U-00NE per loop.

Do anomalies drop Beetle Coins or Char. EXP in Neverness to Everness?

Not in the importable drop tables. Open-world anomaly kills are not linked to Gold (Beetle Coin) or CharacterUpExp item drops in the exposed game data. Those rewards come from Hunter daily/weekly missions, dispatch, story quests and dungeons attached to the kills, not the kills themselves. This guide intentionally does not publish a per-kill coin rate because we cannot verify one from the data.

Which Neverness to Everness anomaly has the most spawn points?

Rain-sweeping Maid, at 51 spawn markers — but she only appears on rainy or snowy days. The densest unconditional spawn is Fluffy at 44 markers.

When does Eternal Lamp spawn in Neverness to Everness?

Eternal Lamp and Leech Spawn both spawn at night only — the codex hint reads verbatim "Only appears at night." Use the in-game time-skip at a campfire to roll night without waiting on the real-world clock. Rain-sweeping Maid is the third gated anomaly; she spawns on rain or snow.

What is the optimal anomaly farming route in Neverness to Everness?

Density-sorted: clear the seven densest anomalies first (each 25+ spawn points), then mop up the long-tail. The densest core covers ~half of every loop's drops. Skip Rain-sweeping Maid when the weather is clear, save Eternal Lamp and Leech Spawn for the night portion of the cycle, and budget two to three real-time hours for a clean loop with a maxed mount.

What do you spend U-00NE on in Neverness to Everness?

The Midas Arc Workshop — U-00NE is its exchange currency for Esper arcs. The codex describes U-00NE as "sand-like matter dropped after an anomaly is dispersed; it disappears quickly if not collected." Practically: it is the arc-pity currency you accumulate from the open world, parallel to the gacha route.

Are anomaly materials shared with dungeons in Neverness to Everness?

Yes. The four base Hethereau lines (Whispers, Silhouette, Numerals, Delusions) drop from both anomalies and the matching dungeon rotations. The difference is stamina — anomaly kills are free, dungeons cost stamina. Boss-tier ascension materials (Nest Guard Fragment etc.) drop from Weekly Bosses only and will never appear from open-world anomalies.

How long does a full Neverness to Everness anomaly loop take?

Roughly two to three hours of real-time for a maxed-mount sweep of all 26 anomaly types across 534 spawn points. Skipping the long-tail anomalies (under 10 spawns each) saves about 30 minutes for a 10% drop in total yield.

Should I farm anomalies solo or with a party in Neverness to Everness?

Hunter rewards scale with party size — that scaling is applied by the Hunter system at runtime and is not visible in the importable drop tables. If you have available co-op partners, run as a four-person squad to maximise Hunter EXP per loop. Solo is fine for U-00NE and materials, which do not scale.

Do anomalies respawn in Neverness to Everness?

Yes, on a server timer. Exact cadence is not exposed in the importable data, but rotating between Hethereau districts during a long session lets older spawns cycle back. For dedicated farming, run two full loops with a 15-minute non-overlapping detour between them so the first pocket has time to re-populate.

Why is Rainman not flagged as a weather-gated spawn?

His codex flavor text mentions "On rainy nights, it manifests as a Rainman" — but the actual spawn isn't gated in the drop tables (no canonical "Only appears…" marker). In practice he appears across weather states. This guide only flags anomalies whose hint text contains the exact gating sentence used by the game, to avoid false positives.

Espers

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Verdict — should you run this route?

Strengths

Trade-offs

Optimal hunting route — by spawn density

Spawn conditions — the 3 gated anomalies

Materials you'll farm

By player profile — what's in it for you

New player (first 10 hours)

F2P / budget player

Invested / mid-progression

Endgame / theorycrafter

Story / casual

FAQ

Sources & method