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Ar'Ka Cannon

The Ar'Ka cannon is a unique interplanetary weapon. It is featured in the Dawn of War expansion Soulstorm. The Tau built this massive weapon on Nan Yanoi (Sword Moon), one of the two moons of Kaurava II in the Kaurava System.

The Ar'Ka cannon fires a concentrated "Ion Beam", which is tuned to only harm advanced life forms, and ignore plantlife and structures. The cannon can fire the beam on any territory, of any planet in the system. The Tau used it to soften up enemy resistance before entering a battle zone.

This weapon is one of a kind, and the Tau built extensive fortifications to guard it. A modified version of the cannon was mounted on satellites orbiting above Nan Yanoi, acting as a defence mechanism if any intruders made it past the orbital cannons and landed on the moon.

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