In Yu-Gi-Oh, but Mechanical Ascension (1-148).

Summary

You Feng summons the powerful 10-star monster, [Mecha Troop - Destruction Heavy Armament], by banishing two ritual cards from his graveyard, surprising everyone with its high attack points. As the duel progresses, he constructs an Xyz summon using this monster and [Bullet Express] to bring forth [Super Heavy Cannon Train - Gustav Max], a formidable artillery piece. You Feng then prepares to attack Professor Ku Luo Nuo Si, boasting about his strategy and the cannon's capabilities. He fires the cannon, inflicting significant damage and reducing Ku Luo Nuo Si's life points. The spectators are impressed by You Feng's tactics, speculating on his deck's potential for an OTK (one-turn kill) while playfully debating the nature of his mechanical cards.

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