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Cathedral and Saint Paul Island

The Saint Paul Island sweep (both windmills, Metro: Cathedral, the electrical station to the Survivors, C-A-91, the THV-GenMod quarantine and the church airdrop), then Cathedral on Juan's side with its two Inhibitors, the end of the Aitor quest, and the pickups and side quests Cathedral opens.

Saint Paul Island is the old-church district east of Muddy Grounds. Sweep it before you go into the cathedral: Juan's quest is easier with a safe zone close by, and the island has two windmills, a metro station, the Saint Paul Electrical Station (to the Survivors), a night-only anomaly, a quarantine building and an airdrop on the Church of Saint Thomas the Apostle. The loop runs from 'Ash' in the west along the north shore to the station, takes the anomaly, the quarantine and the metro at night, the east side by day, then the south and south-west, and ends at the cathedral. Cathedral itself closes the Aitor side quest when you report back to Juan, so finish that first. After it, a few Lower Dam Ayre pickups by the Muddy Grounds border, Satellite Dream and The Black Widow open up. You still have no Grappling Hook (Broadcast brings it), and nothing here needs it. Keep your Inhibitors unspent.

Windmill: AshArea
Location
Central Loop · Saint Paul Island – Cross the bridge from Muddy Grounds: 'Ash' stands on the west side of the island, a little north-west of the Chapel of the Resurrection. Clear the infected at its foot first, or the switch won't work. Ride the moving weight up and jump to the side balcony; from the bar that holds the small weight, hop to the big weight, let it lift you, step off onto the next floor and climb the ladder.
Summary
One of the 17 windmills for Don Quixote, and a save point with UV light, a bed and a stash.
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Memento: A Modern Children's Story – Monsters are RealCollectible
Location
Central Loop · Saint Paul Island – In the flat directly below 'Ash': climb in through either of the open windows on its two sides. The note is on top of a big wooden chest of drawers.
Summary
One of the 117 Mementos the Archivist trophy counts.
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Tape: Council of Mankind Session #3Collectible
Location
Central Loop · Saint Paul Island – Head north-east to the island's north shore: a military GRE container stands there, near a lion statue. Open it with the GRE key; the tape is on the desk beside the keyboard.
Summary
One of the 63 Tapes the Audiophile trophy counts. The GRE key opens its container.
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Mural: Hell HoundCollectible
Location
Central Loop · Saint Paul Island – Go east along the north of the island to the Saint Paul Electrical Station and clear the enemies in its yard. The art is on the wall of a house inside the station grounds, on the east side; the crate is right below it.
Summary
One of the 70 Murals the Street Art Aficionado trophy counts; it only counts once you pick up the small red paint crate next to the art. Enemies guard the station grounds.
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Memento: Recipe: Polish BigosCollectible
Location
Central Loop · Saint Paul Island – Climb the tall smokestack beside the station, using the ladders and handholds around it, all the way to the top: the recipe is in a small chest at the summit.
Summary
One of the 117 Mementos the Archivist trophy counts.
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Inhibitor: Saint Paul Electrical Station door B (underwater)Upgrade
Location
Central Loop · Saint Paul Island – Climb the chimney on the station's east wall to the roofs and drop in through the broken windows into the flooded hall. Under the water is a cable box marked 1/A/B: run its cable up and to the left to the red A box and open door A. In room A, dive, swim ahead and right twice, open the gate and bring cable 2 back to the red 2 box in room A. Then run the 1/A/B cable to the B room, to the right and up, and open door B: the GRE crate is under water behind it.
Summary
One of the 126 Inhibitors, under water inside the station. Take it before you switch the station on: loot left inside may vanish.
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The Saint Paul Electrical Station goes to the Survivors

The control-room console asks which faction gets the station, and Saint Paul Island with it. Pick the Survivors. The choice is permanent; Boot Licker needs all 7 facilities given to one faction, so one facility to the Peacekeepers loses it on this save.

Facility: Saint Paul Electrical Station (Survivors)Hidden spoiler – activate to revealAchievementMinor spoiler
Location
Central Loop · Saint Paul Island – Finish the cables: from room B go down the stairs on the left, swim ahead and up the far stairs to the C box; take cable C back down to the red C box under water, open the door to its left and take cable 3 from the next room, through the gate opposite, to the red 3 box in room B. Last, plug the 1/A/B cable into box 1 just above the water. The lift arrives (if it doesn't, clear the enemies first): ride up, use the console and choose the Survivors.
Summary
One of the 7 facilities for Municipal Services and Boot Licker. The control room becomes a safe zone with a bed and a stash.
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GRE Anomaly C-A-91Achievement
Location
Central Loop · Saint Paul Island – Sleep in the control room until night. The anomaly site is close to the station, almost in the middle of the island just north of Metro: Cathedral, at the edge of a chemical zone. Kill the Revenant: it darts about and calls other infected in, so keep after it; the ones it summons don't need to die.
Summary
One of the 12 GRE anomalies for the Revenants trophy. Its Revenant only appears at night.
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GRE Quarantine: THV-GenMod Development CenterAchievement
Location
Central Loop · Saint Paul Island – Still at night, go to the quarantine building on the north side of the island, a short way from the electrical station. Climb to the roof, open the door there with the GRE key and work down floor by floor along the yellow cables; each chest is behind an 'Authorized personnel only' door you lockpick.
Summary
One of the 6 GRE quarantine buildings; their 24 Inhibitors make Can't You Read the Signs?. Fewer infected roam inside at night.
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Inhibitor: THV-GenMod Development Center chest 2Upgrade
Location
Central Loop · Saint Paul Island – A floor further down, behind the next 'Authorized personnel only' door (lockpick): the crate is on the left, right beside the door.
Summary
One of the 126 Inhibitors. Counts for Can't You Read the Signs? with the other quarantine chests.
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Inhibitors ×2: THV-GenMod Development Center chest 3Upgrade
Location
Central Loop · Saint Paul Island – At the bottom of the building, behind the last locked door: the chest holds two.
Summary
Two of the 126 Inhibitors; the last chest finishes the building. Counts for Can't You Read the Signs? with the other quarantine chests.
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Metro: CathedralArea
Location
Central Loop · Saint Paul Island – From the quarantine, head south to the middle of the island, north-east of Saint Paul Cathedral. Slip past the infected to the locked door, lockpick it and flip the switch behind it, then drop down the lift shaft. Start the 5 generators, going clockwise from the right, then the one in the middle; ride the lift up and flip the last switch as you step out.
Summary
One of the 9 metro stations for Tube Map, and a fast-travel point and safe zone once restored. Infected hold it, so it is easier at night.
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Windmill: CedarArea
Location
Central Loop · Saint Paul Island – Just east of Metro: Cathedral. Press the switch at its base to set the big weight moving, jump to the balcony while the weight is out of the way, then ride the weight to the top. From there take the monkey bars (start on the side with two, one above the other), swing across to the single bar and up to the third, then to the ladder.
Summary
One of the 17 windmills for Don Quixote, and a save point with UV light, a bed and a stash.
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Memento: Wedding InvitationCollectible
Location
Central Loop · Saint Paul Island – North-west of 'Cedar' is the Church of Saint Thomas the Apostle. Go in, push the loose wooden pallet aside, and in the room beyond the invitation lies on a piano.
Summary
One of the 117 Mementos the Archivist trophy counts.
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Memento: Safe Code (444)Collectible
Location
Central Loop · Saint Paul Island – Climb the church's bell tower to the very top, go out of the window onto the roof and find the red and white chest by the stone gargoyle: the envelope is inside.
Summary
One of the 117 Mementos the Archivist trophy counts. Its code opens the safe just below it.
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Military Airdrop THB-1N4Achievement
Location
Central Loop · Saint Paul Island – On metal scaffolding on the roof of the same church. Work your way up by the yellow ledges and railings and open the crate.
Summary
One of the 26 airdrops for Find Anything Interesting?. It holds Military Tech.
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HoverboardItem
Location
Central Loop · Saint Paul Island – At the foot of the same tower (drop from the top, or enter the church and move the wooden board) is a cable marked 1. Carry it back up by the yellow handholds; if it snags, drop down to straighten it. Plug it in in the belfry to power the radio, then climb out of the window to the highest room and use the radio. Take the first board beside the window, jump out of the church and follow the red tracks with Survivor Sense, picking up boards along the way, to a blue car: the last board is in its trunk. The challenge waits, unmarked, in south-west Muddy Grounds.
Summary
A Back to the Future nod: a hoverboard you can ride, and an unmarked Hoverboard Challenge for Parkour XP. No trophy counts it.
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Memento: Safe Code (85 19 45)Collectible
Location
Central Loop · Saint Paul Island – South of Saint Paul Cathedral, at the very edge of the map: a military GRE container near a bunker. Open it with the GRE key and look left: the red envelope is on the metal cabinet above the desk. The safe in the same container opens with this code.
Summary
One of the 117 Mementos the Archivist trophy counts. The GRE key opens its container.
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Memento: Safe Code (987)Collectible
Location
Central Loop · Saint Paul Island – In south-west Saint Paul Island, near the 'Spruce' Windmill, stands a dark hollow: go in through the military trailer at its base. On the ground floor, lockpick the small safe on a bookshelf: the envelope is inside.
Summary
One of the 117 Mementos the Archivist trophy counts. Its code opens the safe upstairs in the same building.
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Mural: Hunting for HuntersCollectible
Location
Central Loop · Saint Paul Island – Opposite the dark hollow, in the south-west of the island: the art is on a rooftop by a lamp post, and the crate is on the next building.
Summary
One of the 70 Murals the Street Art Aficionado trophy counts; it only counts once you pick up the small red paint crate next to the art.
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Mural: Carousel of LifeCollectible
Location
Central Loop · Saint Paul Island – Go east to Saint Paul Cathedral. Facing south, the art is on the left-hand side, on the wall beside the church and partly hidden by a tarp, along a roof ledge; the crate is just below it.
Summary
One of the 70 Murals the Street Art Aficionado trophy counts; it only counts once you pick up the small red paint crate next to the art.
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Cathedral: into Saint Paul CathedralHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Central Loop · Saint Paul Island – With Metro: Cathedral close by, go to the marked spot on the cathedral. Climb the scaffolding to the second level, go right to the next scaffolding, jump across the pillars and climb in at the open window. Inside, cross the narrow metal balconies, drop onto a hanging lamp and from it onto the shock absorber below. Head for the UV light in the distance and go through the quarantine tunnel at the far end of the room to the last hall.
Summary
Main quest 15 on Juan's side: find the specialist who can repair Juan's listening device. Every way in at ground level is sealed.
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LetoHidden spoiler – activate to revealBossMinor spoiler
Location
Central Loop · Saint Paul Island – Use the big closed door at the end of the hall and Leto breaks in. It has no weapon: it charges and hurls rocks. Hide behind the pillars, bait the charge into a wall (it is stunned for a moment) and hit it then. The red gas tanks (lit and thrown, or shot when it is close) and the spears you can pull out and throw once each do heavy damage. Kill any infected that join at once.
Summary
The Demolisher that guards the cathedral; the fight is part of the quest.
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Inhibitors ×2: Saint Paul Cathedral balconyHidden spoiler – activate to revealUpgradeMinor spoiler
Location
Central Loop · Saint Paul Island – Go through the doors Leto broke and on through two rooms. Electric fences block the tower, so follow the power cable with Survivor Sense, cutting each trap's generator: the one beside the door, generator 2 by the live scaffolding (then climb it), generator 3 across a gap by jumping to a chandelier, back over the now dead chandelier and on to generator 4 in a room above a metal beam. Zipline down from the window sill, cross one last chandelier and pull generator A (a fall here kills before the glider opens). Zipline back to the door, climb the ladder into the tower, and before climbing on, step out onto the balcony over the nave: the GRE crate is there.
Summary
Two of the 126 Inhibitors. This crate only exists on Juan's side of Welcome On Board.
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Tape: Tourism Office of Villedor – Saint Paul CathedralHidden spoiler – activate to revealCollectibleMinor spoiler
Location
Central Loop · Saint Paul Island – Climb the tower to the room full of computers on its top floor and go out of the open window onto the roof. The specialist, Kurt, is on the next tower: jump to its wall and climb in at the window. The tape is on the first desk, right inside on your right.
Summary
One of the 63 Tapes the Audiophile trophy counts. It sits in the tower you cross into while chasing the specialist.
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Memento: Third page of a comic bookHidden spoiler – activate to revealCollectibleMinor spoiler
Location
Central Loop · Saint Paul Island – Go through the closed door and follow Kurt along the roof ridge (a zipline on the left gets you up to the peak; if you slide, climb back) to the next tower and talk to him at its door. He wants a module from the other tower: go back in the way you came, turn right outside the door and climb the platforms, bars, the big bell and the gargoyles to the antenna at the top, and open its box for the blue module. Glide back to the roof, landing carefully on the steep slope, and into Kurt's room: the comic page is on the table by the blue couch, on the left.
Summary
One of the 117 Mementos the Archivist trophy counts. It lies in Kurt's room in the south tower, which only opens from outside.
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Hussar (Cathedral top)Weapon
Location
Central Loop · Saint Paul Island – In the corner of Kurt's room at the top of the cathedral.
Summary
A one-handed slashing weapon blueprint in Kurt's room; it can also be reached from outside without the quest.
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Finishing Cathedral ends the Aitor quest

Cathedral is over when you report to Juan on the PK Floating Fortress, and that closes Aitor (the Floating Fortress side quest with the night petals) for good, and with it The Lazarus knuckledusters from the small-petals ending. If Aitor is still open, leave the cathedral now and finish it first; report to Juan only once it is done.

Cathedral: the generators, Kurt, the bell-tower moduleHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Central Loop · Saint Paul Island – With the generators off, the chase over and the module in Kurt's room, hand it to him; tell him you will be friends or not, either way. Leave the cathedral (jumping off the roof with the glider is quickest) and report to Juan on the lower deck of the PK Floating Fortress; answer him as you like.
Summary
The end of main quest 15: Kurt repairs Juan's device and Juan opens the next main quest, Broadcast.
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The Baba I: Seething DemolisherQuest step
Location
Central Loop · Saint Paul Island – Talk to the Plague Witch in her shop, Saint Paul Island's Chapel of the Resurrection. The Seething Demolisher waits on a small island to the north: kill the ordinary infected first, dodge its charges and thrown rocks (the monument gives cover), hit it from behind, then take the ingredients from its body back to her.
Summary
The first of ten hunts for the Plague Witch, who brews from infected parts.
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The Baba III: Glowing BolterQuest step
Location
Central Loop · Saint Paul Island – Take the next hunt. At the marked spot on Saint Paul Island, read the tracks on the rooftop with Survivor Sense and follow them to a roof near the statue square; climb down the scaffolding into the top-floor room through the window, kill everyone there and harvest the Bolter.
Summary
The third hunt: a glowing Bolter that has to be tracked.
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Lower Dam Ayre ahead

The ninth hunt and the next few pickups reach across the river into Lower Dam Ayre, a level 5-6 district whose infected hit hard.

Inhibitor: under a bridge into Lower Dam AyreUpgrade
Location
Central Loop · Lower Dam Ayre – Fast travel to Metro: King William Bridge and head to the bridge that crosses the river south into Lower Dam Ayre. Dive deep under it: the GRE crate lies on the bottom. It may instead be under the New Dawn Park–Lower Dam Ayre bridge.
Summary
One of the 126 Inhibitors, on a riverbed at the edge of Lower Dam Ayre.
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Inhibitors ×2: Lower Dam Ayre UV-container rooftopUpgrade
Location
Central Loop · Lower Dam Ayre – Across the bridge, find the skyscraper roof with green containers full of UV lamps, south of the building that carries airdrop THB-V3P. Reach it by the wire stretched to it from the building next door, then climb the floors inside and the ramps outside (or glide in). The GRE crate is by the railing next to the green containers.
Summary
Two of the 126 Inhibitors, on a skyscraper roof just across the border.
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Tape: Cpt. Posner Status Reports to Col. Williams #4Collectible
Location
Central Loop · Lower Dam Ayre – On the far side of the same roof: lockpick the military chest; the tape is inside with some clothes.
Summary
One of the 63 Tapes the Audiophile trophy counts.
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Satellite Dream: ManfredQuest step
Location
Central Loop · Lower Dam Ayre – Manfred talks to himself on a rooftop in north-west Lower Dam Ayre, on a building joined to another by a walkway. Climb the tower he points you to, kill the infected on its roof (one is a Goon), flip the switch at the antenna's base, then climb the antenna and switch on his devices.
Summary
A short side quest for a radio tinkerer who thinks he has reached a satellite.
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Memento: The Center SweepCollectible
Location
Central Loop · Lower Dam Ayre – Further west on the rooftops of Lower Dam Ayre, near the South Loop Radio Tower: follow the rooftop path past two wooden barriers; just after the second, before the drop to the watchtower, a small chest beside a backpack under a flag holds the note.
Summary
One of the 117 Mementos the Archivist trophy counts. Its crate only appears once Cathedral is done.
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The Black Widow: Jolly, Josh at the Fish Eye (night), ElenaHidden spoiler – activate to revealQuest stepMinor spoiler
Location
Central Loop · PK Floating Fortress – Jolly is on the PK Floating Fortress. At night, ask the woman at the bar of the Fish Eye about Josh, then go to the building just east of it: kill the infected at the boarded door on its roof and go in. Fight off the infected that break in, flip the fuses in the corner and talk to Josh. Back on the Fortress, lockpick Elena's room in the sleeping quarters west of Juan's office and open the basket at the back. If you send the officers away, show what you found to the Plague Witch in the Chapel of the Resurrection, fetch three reagents from the chemical area of Saint Paul Cathedral for her, and finish at the Fortress cells.
Summary
A night side quest about Jolly's father's new partner, Elena. Your answers decide Elena's fate; the reward is XP either way.
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About this guide

Two runs on any difficulty. Run 1 plays the whole story with every collectible, gives all seven facilities to the Survivors and ends with one ending; a save backup made outside the game at the last door before the finale lets you watch a second ending by replaying only the last two quests, not the whole game. After the credits the city stays open for cleanup and Bloody Ties. Run 2 is New Game+ on the other faction's path for the third ending. The game has no manual saves, so the backup steps say how to copy your save on each platform; without them, each extra ending needs another New Game+ run. Two trophies need other players.

Last verified: Nov 14, 2026 · Patch Reloaded Edition, update 1.30 (PS4/PS5, Xbox One/Series, PC Steam) · 0 community corrections shipped

Unofficial fan guide. Not affiliated with the publisher.