User blog comment:Ozora Tsubasa/Historical Persons in Chrono Stone (Confirmed and Predictions)/@comment-5043094-20120715164109

King Arther = 10. Well... I think he might appear because he was a famous guy in the history (And if he will appear I think he's going to fuse with Tsurugi)

Mozart = 10. Shindou = Music guy. Mozart = Music guy. 'Nuff said. XD

As for the rest... I have no idea...