Episode 129

"Shard of the Supreme King" is the one-hundredth and twenty-ninth episode of Yu-Gi-Oh! ARC-V anime.

Synopsis
While Yūya fights off Z-Arc to avoid being swallowed up by the dragon, Reiji daringly opposes his father, Leo, in order to stop his ambitions.

The two of them fight against Leo, while fighting their own battles. Meanwhile, elsewhere, Yūri and Yūgo face-off. On each of their fields, the 4 Dragons are summoned one by one, and begin to resonate as if foretelling the revival of the one true Devil.