Card Appearances:Ancient Gear Engineer

"Ancient Gear Engineer":

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Yu-Gi-Oh! GX

• In episode 69, Vellian Crowler uses this card during his duel against Jean-Louis Bonaparte. He Tribute Summons this card by Tributing "Ancient Gear Castle" while the latter had one counter. Bonaparte was going to activate "Trap Hole" in response, but Crowler tells Bonaparte that it won't work since this card negates any Trap Card that targets it. This card then attacks and destroys "Toy Soldier". This activates this card's effect, allowing Crowler to destroy "Gulliver Chain" and free his "Ancient Gear Golem" from the effects of "Gulliver Chain". Crowler then activates "Zero Gravity" to switch this card and "Toy Emperor" to Defense Position and switch "Ancient Gear Golem" to Attack Position. This card remained on the field until the Duel was over.

• In episode 129, Crowler uses this card during the Battle Royal between Jaden Yuki's friends and the Duel Ghoul army. He summons this card to defeat Jaden's friends and prevent Jaden from getting to Marcel Bonaparte on time. This card was later destroyed at an unspecified point, but it was most likely destroyed before Bastion Misawa Special Summoned "Water Dragon".

Yu-Gi-Oh! ARC-V

• In episode 34, this monster appeared in Shun's flashback during a duel against Sora, where it shown attacking the people.