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FSIRT Against the Wall is an achievement for the zombies map, Buried, in Call of Duty: Black Ops II. It requires the player to purchase the LSAT off the wall and Pack-a-Punch it. The LSAT is located above the player in the spawn room, where the player must first go to the other side of the spawn room and double jump to reach the next level. However, the player has a very limited time to actually buy the LSAT as the floor will collapse beneath them. Using the propulsion ability of the Paralyzer and a third weapon slot provided by Mule Kick, a player can safely purchase the LSAT after the catwalk has initially collapsed.


  • The name of the trophy/achievement is a reference to the Pack-A-Punched version of the LSAT's name, which is FSIRT.
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