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You will start in the arena, and have to defeat 10 round of enemies to complete the challenge. This is a good place to upgrade the Dual Vipers to either LV2 or 3 by vanquishing the enemies here. You should use the Vipers as the main weapon here. The Dropships can be easily taken out by the B-6 Obliterator, so it is a good idea to purchase it. If not, just rapidly fire at it with the Dual Vipers to take them out all the same. Use the Magma-Cannon to easily defeat the incoming Swarmers and Tremors. After completing the challenge, you will get 1,500 Dread Points and 2,000 bolts. The skill points Skillful and Fiver can only be earned in this challenge.