Ep. 3: Ban and friends battle Gouda's Hakai-O to secure the Achilles frame.

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Gouda returns the Achilles frame to Ban, explaining he hid it from dangerous groups. He then challenges Ban, Kazu, and Ami to a 3-on-1 battle against his Hakai-O, also known as the Destruction God of Hell. Kunoichi is customized for speed, while Warrior and Achilles are customized for short-distance shooting. The trio attempts hit-and-run tactics, but Hakai-O uses his Gaou Cannon to create a smokescreen and crushes Warrior. Kazu realizes the cannon causes temporary offline periods due to power usage. After the third attack, he informs Ban and Ami. On the fourth attack, Ban grabs Warrior's gun, destroys the Gaou Cannon, and knocks Hakai-O out of commission. Gouda honors his word, allowing them to keep the frame. Meanwhile, at Innovators headquarters, Yagami assures his team not to worry about the completed Achilles. He devises a plan to destroy it in an LBX battle by creating a new dangerous LBX to handle the task.