The Battle of Koosi Paglaus was the first battle in The War of the Decamillenial Transition. It was held in the D-Class world of Koosi Paglaus. in the 21st Millennium, the Intergalactic Confederacy fell. At the same, time the Xcathli were extending their territory to Koosi Paglaus. The Circurions didn't have good relations with the Xcathi, as the Xcathli and Circurion were extending their territory closer by the day. Eventually, they threatened each other for land and resources. This ignited The Battle of Koosi Paglaus. Tens of thousands of battle fleets arrived from the side of Circurions. they started to slaughter the Xcathli right in the open. the Xcathli turned to the Confederacy of Humanity for guidance. The Confederacy arrived with some fleets, and soon, with the help of the Confederacy, the Circurions were defeated. In the end, this small battle had paved the way for The War of the Decamillenial Transition.

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