Granz Lab (グランツ研究所 Gurantsu Kenkyūsho) is a laboratory run by Dr. Granz Florian in Uminari City.

It is the headquarters and also the Industry style shop of the Brave Duel game. Inside the lab, there are "Duel Space" for Brave Duel gaming as well as merchandise spaces for selling cards and goods. Its representative team is Dark Materials.


"Granz Lab" is the name shown on the card and is named after Granz Florian. In the manga, "Grantz Laboratory" is used in a chapter title.[1]


Notable members from the lab includes:


  1. MGLN INNOCENT, chapter 9.

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