After Ben passes an obstacle course set up in the by Max, the Rustbucket breaks down outside the mining ghost town of Slatterville, New Mexico. Meanwhile, Vilgax hires three bounty hunters – Kraab, Sixsix, and Tetrax Shard – to retrieve the Omnitrix. Ben fights Tetrax, who reveals himself to be a Petrosapien. Tetrax criticizes his lack of strategy in hand-to-hand combat, then aids Ben in warding off Kraab and Sixsix. Realizing that Ben took his words to heart, Tetrax decides to leave him with the Omnitrix and awards him with a hoverboard.