According to the Original Anime, from the end of the Dark Signer Arc onward, the Field Spell used for Riding Duels had been completely replaced from the original "Speed World" to "Speed World 2."
After entering Speed World 2, Riding Duelists no longer lost Speed Counters when they took damage, and Speed Counters were no longer limited to serving as the cost for activating Speed Spells.
Speed World 2 itself had also gained several new Special Effects that could be activated by removing Speed Counters, giving the Field Spell Speed World an even greater role in Riding Duels.
Naturally, that put Kira at an even greater disadvantage fighting on this away field.
After all, he had never played with Speed World rules back when he played physical cards. Konami had also rarely implemented this anime-exclusive Riding Duel format in Yu-Gi-Oh! video games over the years. His knowledge of Speed World, as well as his use of Speed Counters and Speed Spells, was most likely inferior to the locals'.
Previously, if necessary, Kira had considered trying to adapt to Riding Duels.
But now, since the power was already in his hands, he naturally intended to make good use of it.
If he could turn it into his Home Field, why fight on an away field?
So Kira simply waved a hand and declared that their Riding Duels would not bother with all that fancy nonsense. Riding was riding, and card games were card games. Besides, Riding Duels in the 5DS manga were played perfectly well under traditional rules, and there was nothing wrong with that.
The two Iliaster Emperors exchanged another look, their eyes full of helplessness.
Introducing the newly developed Field Spell Speed World 2 into the WRGP had originally been decided long ago. The first global Riding Duel tournament