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Paradox Junction Paradox Junction Pre-Nuke

PARADOX JUNCTION

Black Ops 7
Main Quest Video Guide
Step 01 — Wonder Weapon
Building the Blundergat
Barrel — Fill the cyst soul boxes in Nuked Town. Eventually the barrel will drop from one of them.
Sealant — Found on the bookshelf upstairs of the yellow house in Pre-Nuke Town.
Hammer — Find the SO2 upstairs in the yellow house in Nuked Town. Interact with the sink downstairs of the blue house in Nuked Town to fill it with sulfuric acid (each fill can be used three times). In Pre-Nuke Town, melt the faces of mannequins — one will have an audio cue and will drop a hammer in Nuked Town.
Stock — Three walls in Nuked Town have black tendrils on them:
  • Upstairs yellow house
  • Near Wunderfizz
  • Blue garage
One will have an audio cue. Travel to Pre-Nuke Town and throw an explosive at the matching wall. Back in Nuked Town, there will be a hole in that wall containing the stock.
In Nuked Town, melee the crafting table inside of the truck and place all Blundergat parts inside to craft the weapon.
Step 02 — Upgrade
Upgrading to the Sundergat
After a few rounds, tornadoes will spawn in one of three locations each round:
  • The alley by Wunderfizz
  • Behind each house
Each tornado will drop a Tortured Soul. Escort the soul from the tornado back to the Blundergat crafting table. Getting too close to other zombies will drain its life force.
Once the soul is close enough to tether to the table, kill it to transfer its soul to the table. Do this three times to power the table for the upgrade.
Travel to Pre-Nuke Town and melee the crafting table, placing the Blundergat inside. Travel back to Nuked Town and receive the Sundergat.
Step 03 — The Twins
Chalk and Swing
Chalk — Find an ARC-XD remote control in one of three places in Nuked Town:
  • By Pack-a-Punch
  • In the yellow garage
  • Behind the blue house
Interacting lets you control an ARC-XD through a small maze, ending up in a garage. Explode near the door to open it. Enter and interact with the praying zombie to spawn the chalk.
Swing — In Pre-Nuke Town, shoot the swing off from the backyard and collect the part.
Take both items to the swingset in Nuked Town and interact to trigger a short cutscene.
Step 04 — Cymbals
Headphones and Goggles
Headphones — Found at one of three locations in Nuked Town:
  • In the garbage can by the bus
  • Upstairs on the coat hanger of the yellow house
  • In the hand of a mannequin behind the blue house
Goggles — Shoot the goggles down from atop a light post near Pack-a-Punch in Nuked Town. Then, using a wisp, grab them through the fence.
Take both items and insert them into the toybox in Nuked Town.
A ball will spawn in Nuked Town at one of three spots:
  • Above the M8A1 spawn
  • On crates near Pack-a-Punch
  • On the roof of the deck behind the blue house
Shoot the ball off and to the marked X behind the yellow house. Start a game of foursquare and keep the ball in the zone for 30 seconds.
A pair of cymbals will spawn. Fill them as a soul box using the Sundergat and transport them to the toybox.
Step 05 — Music Box
Seeds, Hopscotch and Escort
Find the seeds from the red toolbox in Pre-Nuke Town. Plant the seeds near Pack-a-Punch in Pre-Nuke Town and fill souls with the Blundergat.
Teleport to Nuked Town — there will be a big tree. Use a tomahawk to collect three pieces of wood and put them in the fireplace of the yellow house in Pre-Nuke Town.
Light the wood with a Molotov, then return to Nuked Town for the next step.
After lighting the fireplace, an X will appear in Nuked Town next to Wunderfizz. Stand on it to activate it.
Return to Pre-Nuke Town — the twins will appear drawing a hopscotch course. Interact with the glowing light and complete the hopscotch 1 through 12, then 12 back to 1. Do not step on the black smoke.
You will receive the music box. Escort it to the fireplace while filling it with souls using the Sundergat.
Step 06 — Piano
The Piano Teacher
Behind the yellow house in Nuked Town, a piano teacher will spawn. Brain rot her so she runs inside the house to the piano.
When she is standing at the piano, travel to Pre-Nuke Town — she will open the piano.
With the goggles and headphones in the toybox, an X will appear on the ground next to them in Nuked Town. Find three flying zombies behind the yellow house and shoot them down so their souls lie on the X.
Travel to Pre-Nuke Town and interact with the floating ball in the circle. Zombies will spawn — when the ball bounces it will launch them into the air. Kill every zombie while they are airborne. Complete each wave to spawn the sheet music.
Escort the sheet music to the piano. The keys will glow yellow.
Find notes scattered around the map — they will be blinking. Press them in order from 1 blink through 8 blinks, then return to the piano in Pre-Nuke Town.
The notes you collected will be on the wall. Interact with the piano and play the pattern 86756535 (or AFGEFECE). A short melody will play and this step is complete.
Pattern
The piano sequence is 86756535 — also written as A F G E F E C E.
Step 07 — Final Steps
The Clock and the Twins
Align the clock in Nuked Town to 0-0 (both hands pointing to 0).
Travel from Nuked Town to Pre-Nuke Town while shooting the red hand. If done correctly, the twins will spawn near the piano.
Listen to the twins and follow them around the map to each location in order:
Piano Toybench Fireplace Swingset
At the swingset, you will be able to start the final encounter.
Step 08 — Boss Fight
The Black Heart — Three Phases

Fighting the Black Heart has three phases, each with three subphases. The boss is always immune for the first two subphases of each phase.

Phase One
Subphase 1 (Immune) — Fill three cysts around the map.
Subphase 2 (Immune) — Protect each artifact for a short time.
Subphase 3 (Damage) — Damage the boss in the glowing yellow/orange crit spots.
Phase Two
Subphase 1 (Immune) — Shoot the orbs to spawn zombies, then kill the tethered zombies.
Subphase 2 (Immune) — Protect each artifact for a short time.
Subphase 3 (Damage) — Damage the boss in the glowing yellow/orange crit spots.
Phase Three
Subphase 1 (Immune) — Tortured souls will spawn — bring each one to its artifact.
Subphase 2 (Immune) — Protect each artifact for a short time.
Subphase 3 (Damage) — Damage the boss in the glowing yellow/orange crit spots.
Side Easter Egg
Mini Golf (Free Power-Ups & Essence)
Normal Yellow House Backyard — Shoot the golf ball into the hole with the white flag. If done in 1–2 shots, three power-ups spawn: Max Armor, Insta-Kill, and Bonus Points. Doing it in more than 2 shots spawns only a single power-up.
Destroyed Yellow House Backyard — Shoot the golf ball into the hole with the white flag. If done correctly, 500 Essence will drop.
Side Easter Egg
Jumpscare
Go to the Destroyed Green House and shoot the antenna at the top until it aligns with the red orb.
Go inside the house and interact with the TV until the channel turns green, then interact once more to trigger the jumpscare.
Side Easter Egg
115 Clock (Free Loot)
In Destroyed Nuketown, shoot the clock hands to display 1:15 as it would appear on a standard clock.
Travel to Normal Nuketown — loot will spawn at the back of the Cul-De-Sac:
  • A Legendary Weapon
  • A Killstreak
  • A Rare Aether Tool (blue)
  • A Raw Aetherium Crystal (PaP 1)
  • A Perk can
Side Easter Egg
Dissolving the Mannequins (Free Random Perk)
Acquire the H2SO4 Vial.
Pour acid on all the mannequins in Normal Nuketown. The vial holds only 3 doses — refill it at the Destroyed Green House kitchen sink as needed.
Once the last mannequin is dissolved, return to Destroyed Nuketown — a random Perk power-up will have dropped from it.
Side Easter Egg
Lost Key (Free Aether Tool)
Equip Death Perception.
In Normal Nuketown, look for the outline of a key inside one of the flower pots around the map. Shoot the pot to collect a Lost Key. If a pot doesn't contain a key, teleport to Destroyed Nuketown and back to reset the locations.
Collect a total of 5 Lost Keys.
Go to the bedroom in Normal Green House Upstairs and interact with the suitcase on the ground. It will open and reward Salvage, Essence, and a free Aether Tool.
Side Easter Egg
Bunker (Free Random Perk)
Build the Blundergat.
Travel to Normal Nuketown and interact with the stove in Yellow House to turn it on. Kill a zombie next to the stove to drop a piece of meat on the pan, then throw a Molotov at the pan.
Return to Destroyed Nuketown — a mannequin will be sitting at the table. Teleport back and forth until a Bonus Points power-up appears on the table.
Return to Normal Nuketown and go to the bunker in Green House Backyard — the mannequin should be next to it. Use Brain Rot or a Psych Grenade to turn a zombie and have it knock the bunker until the door opens. Multiple zombies may be needed.
Go to the bunker in Destroyed Nuketown — loot will have dropped inside including a Mystery Perk can.
Side Easter Egg
Masked Mannequin Head
Build the Blundergat.
Interact with the masked mannequin head on the floor of Normal Green House Upstairs. Follow it as it travels to the headless mannequin in Green House Backyard and kill zombies nearby to fill it with souls.
The head moves to a headless mannequin in front of Yellow House garage. Kill zombies to fill it with souls.
The head moves to Yellow House Upstairs in front of another headless mannequin. Kill zombies to fill it with souls.
The floating head attaches to the mannequin — it will spin before exploding and dropping high-tier loot.
Side Easter Egg
Stalking Mannequin
Build the Blundergat.
Travel to Destroyed Nuketown and go to the Perk location in Trinity Ave. On the right side, outside the map, there will be a mannequin. Look at it for a few seconds until its head turns away — it will then begin teleporting and following you.
Return to Normal Nuketown and find the mannequin. Possible locations:
  • Driver seat of the truck in Trinity Ave.
  • Behind the fences on the left side of Pack-a-Punch in Trinity Ave.
  • In the wooden shed behind the Mystery Box in Green House Backyard
  • At the top of the chimney of the left house in Trinity Ave.
Shoot the mannequin's head to drop high-tier loot.
Side Easter Egg
Purple Cyst (Free Loot & Perks)
Requirement
Build the Blundergat first. The purple cyst will then appear in Destroyed Green House Backyard. Place the required items in front of it, kill zombies nearby to feed it souls, then defeat the HVT that spawns.
Deadshot Daiquiri — Place: Head (Destroyed Trinity Ave. garage safe, opened with RC-XD), Bone (Destroyed Nuketown, ground near fence behind Green House Backyard perk location), Guts (Destroyed Nuketown, under truck near Pack-a-Punch), Ham (Normal Green House kitchen counter). HVT: Zynvara (DoppelGhast). Rewards: Deadshot Daiquiri can + 1,000 Salvage (before Round 15) or 2,000 Salvage (after).
Elemental Pop — Place: Battery (Normal Nuketown, Truck Interior near Blundergat workbench), Bone, Guts, Ham (same locations as above). HVT: Mimic. Rewards: Elemental Pop can + 1,000 / 2,000 Salvage.
Quick Revive — Place: Dog Collar (Normal Nuketown, between plants next to the red house garage door in Trinity Ave.), Bone, Ham (same locations as above). HVT: Rad-Hound. Rewards: Quick Revive can + 500 / 1,000 Salvage.
Vulture Aid — Place: Bucket (Normal Nuketown, next to the door between Yellow House Garage and Yellow House Backyard), Bone, Ham (same locations as above). HVT: multiple zombies. Rewards: Vulture Aid can + 500 / 1,000 Salvage.
Aetherium Crystal + Speed Cola — Place all 7 items: Head, Bone, Guts, Ham, Dog Collar, Battery, Bucket (all locations above). HVTs: DoppelGhast + Mimic + Rad-Hound. Rewards: before Round 15 — Refined Aetherium Crystal (PaP 2), Speed Cola can, 1,000 Salvage. After Round 15 — Flawless Aetherium Crystal (PaP 3), Speed Cola can, 2,000 Salvage.
Side Easter Egg
Power-Up Statues
There are 7 power-up statues around the map — shoot each to receive that power-up. Two additional statues unlock after all 7 are activated.
  • Bonus Points — Inside the house debris on the left side of Pack-a-Punch in Destroyed Trinity Ave.
  • Insta-Kill — On top of the BBQ grill outside Normal Green House Backyard
  • Double Points — Behind fences on the right side of the houses at the back of Destroyed Cul-De-Sac
  • Nuke — On top of the clock tower in Normal Nuketown, visible from Normal Green House Backyard
  • Full Power — Near the drawers opposite the TV in Normal Green House Upstairs
  • Max Armor — On a bench inside the yellow bus in Destroyed Cul-De-Sac
  • Max Ammo — On top of a generator next to Yellow House in Normal Nuketown
  • Fire Sale — Top room of Destroyed Yellow House when seen from the back of Cul-De-Sac. Only available after all 7 others are activated
  • Random Perk — On top of the cabinet behind the bunk bed in Normal Yellow House Upstairs. Only available after all 7 others are activated
Music Easter Egg
Music
First headset — Normal Yellow House, on a nightstand upstairs.
Second headset — Under a truck in Destroyed Trinity Ave.
Third headset — Near the Perk location at Normal Trinity Ave.
After interacting with all three, the song "Come Back Down" by Kevin Sherwood and Megan Rice will begin playing.
Tier 1
Grim Relics
Rocket
After Round 20, brain rot a dog in the Pre-Nuke version and interact with it to pet it.
In the Post-Nuke version, call in a Dawg scorestreak, place it in sentry mode, and interact with it to pet it.
Trial Task
Enemies are only damaged by their elemental weakness
Relic Curse
No scorestreaks
Tier 2
Sinister Relics
Summoning Key
Throw a grenade into the chimney of the green house in Post-Nuke to receive a collar.
Brain rot a dog in the backyard of the yellow house in Pre-Nuke — it will dig up a ball. Interact with the dog to collect the ball.
After Round 40, a player must down in the back garden of the green house in Post-Nuke. A tombstone will appear — place the collar and ball in front of it to hear the laugh.
Trial Task
Each wave must be completed in 90 seconds or less
Relic Curse
Each zombie you kill will explode and damage nearby players
Tier 3
Wicked Relics
Mangler Helmet
Spin the mystery box until Mr. Peeks shows up. When he does, pop the Mr. Peeks field upgrade and he will be moved to the mailbox outside the yellow house. Do this in both the Nuked and Pre-Nuke versions.
After Round 60, the mailbox will open. Retrieve the knife inside and use it to kill an HVT Mimic that has spawned on the map.
After the Mimic dies, the portal will open on the balcony of the greenhouse in the Nuked version.
Trial Task
No armor and max health reduced by 50 points
Relic Curse
No arsenal machine
Intel
Audio Logs
The Search Begins — Top Bunk Taken challenge — Yellow House Upstairs (destroyed/future), in the caved-in roof over the beds
Run Aground — Campers Delight challenge — Green House Upstairs (destroyed/future), on a dresser
Live Air — Pizza Party! challenge — Yellow House Backyard (past), on the oven
Dead Air — Viewing Deck challenge — Green House (destroyed/future), on the deck
Head Cannon — Supply Drop challenge — Trinity Ave. (past), on the hood of a truck
Makin' It Right — Gold Star Driving challenge — Trinity Ave. (destroyed/future), on the hood of a car
Before Times — Check the Shed challenge — Yellow House Backyard (destroyed/future), interact with the drawings on the side of the shed
Storm Coming — Plant Life challenge — Green House Backyard (past), interact with the drawing of a figure under a storm cloud. Requires interacting with Before Times first
Trickery — Attempted Delivery challenge — Trinity Ave. (destroyed/future), drawing on a crate. Requires the previous drawings first
Aftermath — Pop. 4 challenge — Cul-De-Sac (past), on the back of the population counter. Requires the previous drawings first
Intel
Documents
Paper Hearts — Stop Stairing challenge — Green House (destroyed/future), on a table near the stairs
Helpful Information — Can We Get a Booth? challenge — Yellow House (past), on a table inside
Wanted Man — Picketer challenge — Trinity Ave. (past), on a fence
Intel
Artifacts
Sidewalk Chalk — Obtained through main quest progression
Sundergat — Build the Sundergat wonder weapon
Music Box — Obtained through main quest progression
Headset — Obtained through main quest progression
Goggles — Obtained through main quest progression