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

Summary

In this chapter, You Feng showcases his impressive skills in a duel against Bei Ka Si, using the Red-Eyes Dark Steel Dragon to summon powerful Dragon-type monsters. He successfully revives No. 107 Ginga Yan Shi Kong Long and utilizes its effect to perform an Exceed summon, stacking multiple powerful dragons. As the duel progresses, You Feng reveals his strategy to overwhelm Bei Ka Si by continuously summoning No. 95 Ginga Yan Dark Matter Dragon, which threatens to eliminate all of Bei Ka Si's monsters. You Feng then surprises everyone by summoning the Chaos Emperor Dragon - Envoy of the End, a card previously banned due to its overwhelming power but now allowed in the GX Duel Tournament. Kaiba Seto acknowledges the seriousness of the situation as You Feng continues to execute his strategy, culminating in the summoning of Cyber Dragon - Infinite through a series of complex plays and overlays, demonstrating his mastery of the game.

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