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The D-tector.

A D-tector, known as a D-Sensor in the Japanese version, is a device used by Zigzix to aid Iliaster in confirming the identities of the Signers during the Fortune Cup tournament.


Fortune Cup[edit]

Zigzix placed several D-tectors around the Kaiba Dome to measure the Ener-D levels during the Duels of the Fortune Cup tournament. During Leo's Duel with Greiger, Zigzix thought the D-tectors were broken as they weren't picking up any Ener-D levels (as they thought Leo was Luna), but after increasing the signals that the D-tectors emit, he managed to trace Luna in the stands. The strong frequency caused Luna immense headaches.[1] During Akiza Izinski's Duel with Commander Koda, the D-tectors confirmed her identity as a Signer.[2]


  1. Yu-Gi-Oh! 5D's episode 01515: "Welcome to the Fortune Cup"
  2. Yu-Gi-Oh! 5D's episode 02222: "The Profiler"