Yu-gi-oh! Zexal Episode 71 Site

: As Dr. Faker is defeated, it's revealed he wasn't just a power-hungry scientist. He struck a deal with a malevolent entity from the Barian World named Vector to save his son Hart.

, titled "A Trio's Challenge, Part III" (or "The Union of Three Wills"), serves as the climactic finale of the first major series arc. It concludes the high-stakes battle against Dr. Faker and marks a pivotal transition in the series’ tone and lore. The Final Showdown with Dr. Faker

: The episode touches on the tragic backstory of Kazuma (Yuma’s father) and Byron (Vetrix), revealing how Faker sacrificed them to open the "Door" to parallel dimensions. Why This Episode Matters

: Yuma and Astral utilize their Zexal transformation to summon "ZW - Lightning Blade," which becomes crucial in anchoring them against the destructive power of the Sphere Field.