um so people can try out speed spells in their deck
Yes you can your first turbo duel in the storyline is against Crow (one of your friends in The Enforcers)
The episode where Luna gets to turbo duel is in episode 70 (but she is forced)
yes only after beating jack atlas in turbo duel
if u beat yusei 10 times in a turbo duel u could get hes duel disk and cloths same as jack atlas
Yes, you can participate in a Yu-Gi-Oh! duel online using your own cards through platforms like Yu-Gi-Oh! Duel Links or Yu-Gi-Oh! Pro.
Yes you can, AFTER YOU FINISH THE GAME you can duel or turbo duel him in the Satelite Slums (he is near Trudge).
No. After Yu-Gi-Oh, there is Yu-Gi-Oh GX and Yu-Gi-Oh 5D. In April, Yu-Gi-Oh ZEXAL will be out.
Yu-Gi-Oh Duel Monsters GX: Tag Force Evolution Yu-Gi-Oh! Capsule Monster Coliseum Yu-Gi-Oh! GX: Tag Force Evolution Yu-Gi-Oh! GX: The Beginning of Destiny Yu-Gi-Oh! Shin Duel Monsters II Yu-Gi-Oh! The Duelists of the Roses
Stardust Dragon can be obtained in "The Duelist Genesisi" booster pack, or as a gift from Yusei Fudo after defeating him an undesignated number of times in a Duel or a Turbo Duel.
no
eBay
You can use them in a duel, but not in tornoments