Board Thread:Questions and Answers/@comment-31841271-20180602093921/@comment-32271305-20180602102448

Correct, the missions from No.6 to No.9 require to clear Extreme Z-Battle stages multiple times.

Mission No.10 is to Z-Awaken any character (not Extreme Z-Awaken), No.11 is to perform a Dokkan Awakening, and No.12 is to open 10 nodes in the Hidden Potential system.