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Buck · Nighthaven Labs Basement

Tank / Assembly

Draft – not yet verified in-game
Playing soloJust you and random teammates — a simple plan
Your mission

Get above the bomb room and make holes in the floor so you can shoot enemies below.

Your gadget: Skeleton Key (underbarrel shotgun). Underbarrel shotgun for soft breaching walls and floors from range.

Buck solo plan on Nighthaven Labs Tank / AssemblyAssemblyDeliveryEmergencyAnimusDeliveryNorth SideAnimusCargoNano HallwayCargo StairsAssemblyNanoExo HallwayExoTankAB54321
  1. Go this way: West stairs down from 1F → Assembly Delivery
  2. Send your drone here: Drone Assembly corners
  3. Open the floor or hatch here: Open the floor from 1F Storage (above Assembly)
  4. Break this strong wall: Assembly wall — breach it from Assembly Delivery
  5. Plant the defuser here: Assembly, right behind the breach

Red A/B circles are the two bomb spots. Numbers on the map match this list. Positions are drawn on Ubisoft's official blueprint and are approximate.

Don’t do this
  • Don’t stand on top of the hole you make — enemies can shoot up at you.
  • Don’t make lots of holes. A few good ones are enough.
  • Playing with strangers? Ping (mark) enemies and walls so your team knows.
Playing with a teamFull plan: every role, drones, breach, plant and what to do if it goes wrong

Hit the basement anchors from 1F.

Team goal: Own 1F above the site, open the floors, then breach the Assembly wall from Assembly Delivery and plant Assembly.

Vertical / soft breach (your main job)

Open the floor in 1F Storage (above Assembly) and 1F Control Room (above Tank). Shoot down while the team breaches.

With Skeleton Key (underbarrel shotgun): Take the floor above the site, then use the Skeleton Key to open the marked soft floor: make a few focused holes that show the anchors and the plant area, not the whole ceiling.

Anti-gadget (if the team needs it)

Clear Bandit, Kaid or Mute gadgets on the Assembly wall from Assembly Delivery, then clear any camera or Mira watching the plant.

With Skeleton Key (underbarrel shotgun): Shoot the defender gadgets you can see through the floor holes (shields, cameras, Mute jammers) before the team enters.

Spawn & approach

Generator (west) or Helipad (south). Both are close to the west side of the building and the Workshop / Control Room entrances.

  • Enter 1F from the West Side and clear Control Room, Storage and Workshop.
  • Use the west stairs to reach the Tank passage and Assembly Delivery.
  • Send one player down the Emergency stairs on the east side to cut the rotation and watch the flank.

Drone checklist

  • Assembly corners next to the Assembly Delivery wall, where anchors hide from the breach.
  • Tank and the Tank passage (a common second anchor spot).
  • The top hallway and the Emergency stairs for a roamer.
  • 1F Control Room and Storage before you stand on the floor above the site.

Team map

Buck team plan on Nighthaven Labs Tank / AssemblyAssemblyDeliveryEmergencyAnimusDeliveryNorth SideAnimusCargoVendingStairsNano HallwayCargo StairsAssemblyNanoExo HallwayExoTankAB16151413121110987654321
  1. Move: West stairs down from 1F → Assembly Delivery
  2. Drone: Drone Assembly corners
  3. Vertical: Open the floor from 1F Storage (above Assembly)
  4. Vertical: Open the floor from 1F Control Room (above Tank)
  5. Hard breach: Assembly wall — breach it from Assembly Delivery
  6. Move: Emergency stairs (east) → top hallway
  7. Drone: Drone Tank
  8. Enemy likely: Assembly back-corner anchor
  9. Enemy likely: Tank anchor
  10. Move: Push through the breach into Assembly
  11. Plant: Assembly, right behind the breach
  12. Plant: Tank (backup plant)
  13. Hold: Assembly Delivery, watching the breach
  14. Hold: Top hallway (east flank)
  15. Hold: West stairs (Tank-side flank)
  16. Hard breach: Second Assembly wall panel (if the first is denied)

Red A/B circles are the two bomb spots. Numbers on the map match this list. Positions are drawn on Ubisoft's official blueprint and are approximate.

Team execute

  1. Take 1F first: clear Control Room and Storage, the two rooms right above the basement sites.
  2. Open the soft floor above Assembly (from 1F Storage) and above Tank (from 1F Control Room).
  3. Two players go down the west stairs into Assembly Delivery; one comes down the Emergency stairs on the east side.
  4. The anti-gadget player clears the Assembly wall from Assembly Delivery, then the hard breacher opens it.
  5. Push Assembly through the breach while the 1F player shoots down through the floor. Plant and spread out.

Plant

Plant Assembly on the Assembly Delivery side, right behind the breach, so the players in Assembly Delivery and on 1F (playing the floor above) can both see the defuser. Tank is the backup plant once the Tank passage is clear.

Post-plant positions

  • Assembly Delivery, looking through the breach
  • Top hallway, watching the Emergency stairs side
  • West stairs (flank from the Tank side)
  • 1F Storage, playing the open floor above Assembly

Pitfalls

  • Opening so much floor that defenders below get easy vertical angles on you.
  • Playing vertical alone with no one covering the stairs behind you.
  • Standing on the hole with a defender right under it.
  • Throwing your utility before the breacher is ready — a Bandit can plug back in.
  • Going to the basement before 1F is clear — defenders on 1F shoot down through the soft floors.
  • Ignoring the east Emergency stairs flank.
  • Breaching Assembly while the Tank anchor can still shoot Assembly Delivery.

If defenders…

  • If the Assembly wall stays denied, play the floors: open both 1F floors and plant Tank from the west stairs.
  • The outer south wall of Assembly can also be reinforced or breached — check it on the drone before you plan around it.
  • If defenders extend up to 1F Control Room, take that fight slowly with three players first.
More & sources

Buck on other Nighthaven Labs floors

Basement1F2F

Full team plan for this floor →

Defending instead? Tank / Assembly setups

Other vertical / soft breach picks here

SledgeZofiaRam

Sources

Callouts from the community R6Calls project, aligned to Ubisoft's official blueprints.