Core Move — Mags & Orenn as Fixers, and the House's Secret

The canonical concept for the rewrite. Everything below is settled; the module files should be brought into line with it.

The reframe, in one line

Mags and Orenn are not fiend experts. They are skilled underworld fixers, out of their depth — people who think they can handle this because they've handled hard things before, and are quietly, fatally wrong about what "this" is.

Who they are now

Their competence is real, but it's in violence, intimidation, tracking a mark, making problems disappear, and — above all — information. Running the city's neutral ground means they must know who's moving and why, so they run surveillance on every faction (the Guest as a planted asset, their coded booking and debt journals, their own watching). Humint, not brimstone.

Mags's Cleaner's Instinct (advantage vs. fiends) becomes a Fixer's Read: advantage to read people, spot a lie, clock a threat, track a mark.
Drop her fluent Infernal ("years of dealing with fiends"). Thieves' Cant stays; at most a few words picked up from one bad job.
They've brushed against the supernatural a handful of times over the years (that's why they own a little anti-fiend kit and a shelf of reference books) — but they never specialized. A seasoned fixer recognizes "this job is cursed, get the salt," not a species.

The house history

The building sits on a natural thin point (this is already canon). Long ago it was a warlock/cultist den — summoners work a thin point because it makes calling easier. They got greedy, pushed it, and tore an actual rift in the deepest chamber; something got loose. The underworld hired Orenn and Mags to clean out the summoners — the human part, which is exactly a fixer's job. They killed/scattered the cult, found the torn rift already sealed (by the cult's own last containment, or a specialist on the job — not by them), judged it a closed case, and took the house as payment (nobody else wants a cursed cult-den on a bad corner).

Every occult tool in the cellars is the previous owners' leftover stock — the circles, the books, the salt, the runed nails, the ward-crystal. Orenn and Mags built and bought none of it. They kept the junk where it lay and re-traced the containment chalk occasionally out of closed-case superstition — recipe-following, not comprehension.

What they know vs. what they don't

They KNOW the history: "This was a summoner's den, we cleaned it out years ago, that gear downstairs is theirs, there's a sealed dead rift in the bottom chamber." Closed case.
They are OBLIVIOUS that it's reactivating. They have no idea the seal is failing, that a fiend is digging through it, that it killed Orenn, or that it's connected to the Order activity they've been tracking up in the city.

Their antennae point outward (surveillance) and they're sharp there. They're oblivious downward. The call is coming from inside the house, and the two best investigators in the building never look under their own floor — because the phenomenon is diffuse and city-wide (below), and because that basement is, to them, closed business.

The metaphysics lives elsewhere — not in their heads

The cult (Order of Mending) summoned Xarrul, works the Opening, and holds a map of thin points (one being here). They understand it. They're adversarial and unreliable — the tension you want.
The books. Fixers accumulate reference; you read the page you need, never cover to cover. The house holds an encyclopedia they never internalized — some inherited with the building (the den's), the rest collected on jobs. The knowledge is physically present for players to dig into; it was never in Mags's or Orenn's heads. (Orenn's bestiary in the bedroom is one of these.)
The Guest infiltrated the cult, so it knows the cult's side. It was always an intelligence asset, not a fiend-hunting tool — which points straight at their real trade: spymastering.

This turns Mags from a knowledge vending machine into a source of leads, not answers. Players earn understanding by cross-referencing books + cult + Guest + the Ethereal creatures seen in Orenn's silver mirror, not by unlocking one trusted NPC.

The thin point, the tear, and the two circles

The thin point and the tear are the same physical place in the Deep Cellar's Old Work. “Thin point” names the natural planar weakness; “tear” or “rift” names what the old summoners did to that weakness. There is no second thin point in the upper cellar.

Binding circle (upper cellar): a Magic Circle against fiends — a cage for a creature. This was the den's summoning-and-command circle (you call a fiend into it so it can't claw you while you bind it). In the finale it's the trap you lure Xarrul into.
Containment circle (deep cellar, the Old Work): a silver-and-salt ring around the actual tear — a cork in a hole. It keeps the rift from widening. Its erosion is the clock; re-powering it slows the clock.

The one-liner: the binding circle is a cage you put a monster in; the containment circle is a cork you put in a hole. Both are legacy — the den's, not theirs.

Vacancy and Hollowing require the tear. Both vessel-workings must be performed inside the Old Work's containment circle, where the breach can expose and redirect a spirit. The upper binding circle cannot substitute for it.
Destroying Xarrul requires no special place. It has one hit point pool across both planes and dies only if reduced to 0 HP in the Ethereal Plane. Hunters cover both sides because Xarrul can dodge a group confined to either one; there are no synchronized final blows. No thin point, rift or circle is additionally required.
Xarrul's physical lair is at the tear. During the lockdown, the sealed house carries its influence everywhere, so the entire Nether Inn counts as its lair for lair-action mechanics.

The diffuse bleed = the obliviousness engine

The Opening and the failing tear are the same physical phenomenon — a thinning of the Material–Ethereal boundary. One is engineered, one is leftover; they produce an identical signature (cold with no draft, wrong-direction sound, half-seen figures, restless minds, "sensitives" drifting in, small hauntings). There is no way to tell them apart by symptom — only by source.

The leftover containment keeps the intense source sealed below. What escapes is a thin, wide, city-scale bleed with no usable local gradient — from street level the whole district feels equally "off." So Orenn reads it as a district/underworld problem and never suspects one specific building (his own). That diffuseness is why he didn't check the basement.

The case board (city-scale; poignancy, not a puzzle)

Orenn's investigation, in his old cellar ops-room — early phase, a few names, and everything misfiled outward:

City map pinned with district deaths/disappearances/madness — some are Thera's soul-harvest (real, human), some are people the tear frayed. Lumped as "someone's working the district."
A watch-list of patrons who "changed" — Bren (raving), several neighbours reporting the same cold dreams, and regulars who stopped returning. Filed as recruits, marks or street-level fallout; actually the thin point fraying them.
The Order of Mending file — Guest's intel, meeting frequency, a name (Vyre?), the bronze pins. His strongest, realest lead — and the exact thing that let him misattribute everything else.
A timeline showing the anomalies ramping "in step with" the Order getting busier. Correlation he read as cause. (Both escalate because they're the same phenomenon.)
Nothing localizes home, because nothing can. That absence is the point.

The lockdown is Xarrul's keystone (the master beat)

The ward-crystal is the summoners' "oh-shit button." An emergency containment device: if a calling ever punched a hole to a lower plane, breaking the crystal seals the house in a resilient shell on every plane at once — it plane-shifts and lays a resilient-sphere-like seal over each plane's version of the building. (Why all planes rather than the Material↔Ethereal boundary itself? Because sealing within a plane is easy and sealing between planes is hard — so it cheats: several easy single-plane seals instead of one near-impossible between-planes one.) The device's whole purpose: contain a breach so that only what is already inside the house, on some plane, can come through the hole — never the whole plane behind it. (The module already calls it "the tavern's stored wards" — this reveals what they were for.) Mags inherited it as "the panic button that bolts the doors" and has no idea it seals across planes.
Why Xarrul needs it. The emergency device trades a cork for a bottle. It pulls power away from the internal planar seals and spends that power on an exterior shell around every version of the house. That lets the one intruder already at the fault cross fully into the Material interior while ensuring nothing can escape on any plane. Mags thinks she is only building a cage; she is also opening the cage's inner door.
Before the crystal breaks: Xarrul is stuck on the Ethereal side. A full night working the tear stores one three-round Material incursion, and it can hold only one. It spends tonight's charge on Brand → Visions → Multiattack against Orenn. After: it has crossed into the sealed interior and regains Ethereal Jaunt there, but cannot leave in any form. The shell also prevents the Guest's Astral release, so the Vacancy cannot begin during lockdown. At midnight the shell lapses and power returns to the inner seals, creating the single three-round Vacancy window before the tear reseals. The lockdown timer IS the clock.
Not luck. Xarrul is ancient and patient and has watched the house ethereally for a long time. The tavern has a known, ritualized response to a killing (the whole no-kill premise). Xarrul weaponizes the house's own protocol. Making Orenn the victim removes the calm keeper who might've investigated coolly, guaranteeing the emotional, protocol-following responder (Mags) is the one holding the crystal.
One murder, three payoffs: (1) removes the one watcher circling it; (2) triggers the keystone lockdown; (3) frames the outsiders → conscripts the PCs, keeps the factions hunting each other, seals everyone in.
The Guest stays Xarrul's hand. Xarrul first promised never to kill the Guest, which rules out forced Hollowing of the changeling. Their later compact permits Xarrul to kill Orenn as the one death needed to close the house, then forbids it from killing anyone else until the exchange finishes (except direct defense against binding, banishment, or destruction). The promise does not make Xarrul responsible for violence the factions choose themselves, so provoking faction war is its central loophole. If the Guest dies, the exchange becomes impossible and the restraint lifts immediately; its killer becomes Xarrul's first replacement-vessel target. When the Guest is delivered Astral, that temporary restraint also ends; if the transfer was secret Xarrul leaves disguised, while an exposed transfer may lead to cleanup.
The Deep Cellar is leverage, not a progress bar. Once lockdown begins, Xarrul has already crossed into the sealed interior. It guards the cellar because it contains the Guest, the anti-fiend tools, evidence of the compact, and the only place where Xarrul must surrender Jaunt during the midnight Vacancy.

Consequences that fall out for free

The exterior shell is not a weapon. The party can break the mundane door and expose the planar surface behind it, but cannot puncture, dispel or invert the shell during the session. Their leverage is inside: the Guest, the bell, the foundation sigils, the binding circle, planar sight and political control of the room.
The seal makes the source findable (the inflection). Before tonight the failing tear leaked and diffused across the whole district — wide, flat, no gradient — which is exactly why Orenn read it as a city problem and never localized it. The moment the house seals across planes, that diffusion is cut off: nothing bleeds out, nothing bleeds in, and the wrongness that used to spread thin over the quarter is now trapped and concentrated inside the house, with its source. From tonight the players, unlike Orenn, can trace it home — not because more leaks out, but because it can no longer leak away.

Xarrul's character (tone)

Ruthless and honest. Lawful-neutral. Keeps its promises to the letter; carries no moral bias. Single goal — to be real, to cross and live — and it is determined, picking the most viable course of action regardless of the morality of it. It was used as an evil tool for centuries; it will not shy from evil acts now. But it won't reach for harm without a reason — no threat, no attack. Not reckless. A manipulator, not a liar: manipulating events is not deceiving those it deals with. This sharpens the Open Door choice — siding with something ruthless and honest, because the cult is worse.

The Mags gut-punch (optional, strong)

Late-game, the players — or Mags — realize the lockdown she triggered to protect everyone is what let Xarrul cross. It killed Orenn and then used her grief and her protocol to trade the inner barrier for an outer cage. Fits her fatalism and the Warden's Mark; fuels her in the finale rather than paralyzing her.

Blast radius — files to bring into line

npc/mags.md — heavy: drop fiend expertise, Fixer's Read, Infernal, obliviousness, surveillance, the crystal she doesn't understand.
npc/orenn.md — heavy: background (fixer not fiend-hunter), the case board, "What He Knew" redirected outward, oblivious to the tear.
overview.md — "retired cleaner"/fiend framing; the clock; the murder's purpose.
location/tavern-overview.md — the ward-crystal's true nature; the "old ward-sigils carved by Orenn and Mags" secret; History section.
location/cellar.md — ward-sigils section (drop the footprint barrier), binding-circle provenance/use.
location/deep-cellar.md — containment provenance ("was contained," not "the couple contained"), the chalk-wall note redirected outward, "why they really live here."
storylines/the-reckoning.md — The Clock (= lockdown timer), Scenario A bell, Scenario B binding circle, Scenario F, the Bell ending, Mags's lines.
npc/xarrul.md — the Night's Clock, the mastermind/lockdown plan, the tone.
storylines/murder-mystery.md — the murder as the plan activating; the lockdown beat.
npc/the-guest.md — confirm "intelligence asset" framing (mostly already fits).

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