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Ash · Lair Basement

Lab Support / Lab

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

Be one of the first into the bomb room — with a teammate right behind you.

Your gadget: M120 CREM Breaching Launcher. Breaching rounds that blow open soft walls, barricades and hatches from range, and destroy gadgets behind them.

Ash solo plan on Lair Lab Support / LabLab ExitLockersLabStockSupportMissileMissile HallwayToxinStaffStaff StairsCourtyard StairsCourtyardNorth DockCourtyard TunnelWarehouseWarehouseYellow StairsFiltrationBlue StairsBarrelsElectricalAB54321
  1. Go this way: Yellow Stairs → Missile Hallway → Lockers
  2. Go this way: Courtyard Tunnel → Courtyard → Lab Exit
  3. Danger — an enemy often holds here: Lab anchor
  4. Go this way: Push through the breach into Lab
  5. Plant the defuser here: Lab, next to the Lockers 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 go in alone. Wait for a teammate.
  • Don’t rush in before someone has checked the room with a drone.
  • 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

Take the first fight in Lab.

Team goal: Open the reinforced Lockers wall into Lab, pressure the Lab Exit doors and play the 1F floor above so the anchors are hit from three sides.

Entry (your main job)

Swing the breach with a trade partner, or push the Lab Exit doors when the breach opens.

With M120 CREM Breaching Launcher: Open the entry barricades and a second soft wall from range, then take the first fight through the fresh hole while your team trades behind you.

Vertical / soft breach (if the team needs it)

Open the 1F Armory hatch (over Lab Support) and the Reception floor over the south half of Lab.

With M120 CREM Breaching Launcher: Fire a breaching round into the marked soft floor/hatch from above to open a sightline without standing on it.

Spawn & approach

Gate / South Dock for Yellow Stairs and Warehouse. The north side for the Courtyard Tunnel.

  • Yellow Stairs (or Warehouse from the docks) → Missile Hallway → Lockers: the main lane to the Lab wall.
  • Courtyard Tunnel → Courtyard → Lab Exit: a second lane onto the Lab and Lab Support doors.
  • One player on 1F Armory / Reception to open the hatches and floor above the site.

Drone checklist

  • Lockers and Missile Hallway — defenders like to hold these early.
  • Toxin and Stock, south of the site, where anchors hide.
  • The Lab Support corners next to the Lab Exit doors.
  • 1F Armory and Reception for defenders playing the floor.

Team map

Ash team plan on Lair Lab Support / LabLab ExitLockersLabStockSupportMissileMissile HallwayToxinStaffStaff StairsCourtyard StairsCourtyardNorth DockCourtyard TunnelWarehouseWarehouseYellow StairsFiltrationBlue StairsBarrelsElectricalAB1413121110987654321
  1. Move: Yellow Stairs → Missile Hallway → Lockers
  2. Move: Courtyard Tunnel → Courtyard → Lab Exit
  3. Vertical: 1F Armory hatch drops into Lab Support
  4. Vertical: Open the 1F Reception floor above Lab
  5. Enemy likely: Lab anchor
  6. Move: Push through the breach into Lab
  7. Plant: Lab, next to the Lockers breach
  8. Drone: Drone Lockers and the Lab wall
  9. Drone: Drone Lab Support through the Lab Exit door
  10. Enemy likely: Toxin player
  11. Hard breach: Lab wall — breach it from Lockers
  12. Hold: Lockers, watching the breach
  13. Hold: Missile Hallway (flank)
  14. Hold: Lab Exit, watching the doors

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. Two players come down Yellow Stairs (or in through Warehouse from the docks) into Missile Hallway and Lockers.
  2. One player takes the Courtyard Tunnel to Courtyard and Lab Exit.
  3. One player takes 1F Armory / Reception and opens the floor and hatches above the site.
  4. The anti-gadget player clears the Lockers → Lab wall, then the hard breacher opens it.
  5. Push Lab from the breach and the Lab Exit doors at the same time; plant near the breach.

Plant

Plant Lab close to the Lockers breach, so the player in Lockers and the player playing the 1F Reception floor above can both see the defuser. Lab Support is the backup plant from the Lab Exit doors.

Post-plant positions

  • Lockers, looking through the breach
  • 1F Reception, playing the floor above Lab
  • Missile Hallway (east flank)
  • Lab Exit / Courtyard (north flank)

Pitfalls

  • Swinging in before the team is in position to trade you.
  • Spending rounds on low-value walls.
  • Swinging alone into a Maestro or Mira angle.
  • Playing vertical before the 1F roamers are dead.
  • Attacking only from the docks — defenders stack Lockers and Missile Hallway.
  • Ignoring 1F: defenders there shoot down through the floor and hatches.
  • Forgetting the Yellow Stairs flank behind Missile.

If defenders…

  • If the Lab wall stays denied, push the Lab Exit doors and plant Lab Support under the Armory hatch.
  • If the 1F hatches are reinforced, open the Reception floor instead.
  • If Missile Hallway is locked down, move both dock players to the Courtyard side.
More & sources

Ash on other Lair floors

Basement1F2F

Full team plan for this floor →

Defending instead? Lab Support / Lab setups

Other entry picks here

BlitzYingFinkaAmaruSensStriker

Sources

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