Clearing 6 dungeons rewards a Core Class CSB (insta cast and Full Break counter type). There's also the free AASB on first day of login.

After battling the record of Cecil, the Shadowsmith thinks back on the parting words of the Elarra of his dimension and gets a breakthrough: just like Tyro, he can rely on the power of the records to overcome the failures and gain the strength necessary to change the course of fate. There's a last trial ahead of him: a battle against his inner self.