Mythyrian Numbers

"Legendary Number", pluralized as "Legendary Numbers" in the Japanese version, are a sub-series of the "Number" cards. The "Legendary Number" cards play an important role in the 5th arc of Yu-Gi-Oh! ZEXAL.

Story
The "Legendary Numbers" were first introduced when Vector revived Don Thousand. Thousand revealed that in order to fully revive him, Vector must collect these seven "Number" cards. Later. Vector convinced Misael and Durbe to take part in this quest, with the aid of Mr. Heartland, who is now a bug. Also, Yuma Tsukumo and Astral are currently involved in this quest after receiving a message from the former's father.

Legendary Numbers
Seven "Numbers" have been confirmed with 2 "Numbers" being seen so far.