The Battle of Arca was a battle of the Cruentusian War. It occurred when the Srav Federation launched a retaliatory strike on the Taung Confederacy primary agroworld of Arca. Invading the world, the Sravs wrecked havoc before the Taungs pushed them off the planet. Nonetheless, the Sravs succeeded in their goal: contaminating Taung crops with toxins, which spread sickness among the Taung population and the seeds of discontent with it.