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Fortnite Battle Royale v17.21 Update: The Plasma Cannon Enters the Invasion

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Fortnite Battle Royale v17.21 Update: The Plasma Cannon Enters the Invasion


Sent to the Hot Saucers mailing list:

Like a science lesson gone wrong, plasma balls are now being used for destruction. What was once used for purposes like educating the youth or covering spills on the floor has become an instrument of war. See attached for a file on the IO-made “Plasma Cannon.”


File on the Plasma Cannon

Fortnite Plasma Cannon

Found from IO Chests and normal ones, the Plasma Cannon has enough energy to fire five plasma balls. What’s the big deal about these? An electrical dome will surround them as they slowly move forward, and enemies who get caught in the dome will take heavy damage and be impulsed back. Vehicles are affected in the same way. Tip: if you find a way to keep enemies in the dome even when impulsed, they will take repeated damage. 

How the Plasma Cannon affects buildings is a different story. Fearing Aliens may prove to be advanced architects, the IO made it so that the Plasma Cannon destroys structures just about instantly. The Plasma Cannon can be crafted in addition to being found. Because the IO used Alien technology to invent it, it can be crafted by combining a Legendary Pistol with an Alien Nanite.

With one Plasma Cannon, one plasma ball can be deployed at a time. (Technically two for a brief moment.) But if you have multiple Plasma Cannons and cycle through them, multiple plasma balls can be deployed at once.

What else is new in Fortnite Battle Royale in v17.21:

Mysterious Ship above The Aftermath

An unusual Alien ship is hovering over The Aftermath… The IO says “unusual” because its intent doesn’t seem to be for harm. It’s predicted its purpose will become clearer in the near future.


  • Please note that the Plasma Cannon is not present in competitive playlists.

  • The Inflate-A-Bull has been re-enabled in competitive playlists.

Full Notes: https://www.epicgames.com/fortnite/en-US/news/fortnite-battle-royale-v17-21-update-the-plasma-cannon-enters-the-invasion

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