In addition, many cultural Chinese elements can be seen. The armour pattern is similar to the mountain scale armour of the Song dynasty. Nevertheless, the pattern is like a dragon scale. Beneath the armour can be seen some type of Hanfu with their traditional accessories.
[Personal interpretation] The theme is "Chivalry". And the appearances of Aphelios and Graves are pretty similar to the description of the black knight from "Ivanhoe" by Walter Scott. Whereas Yummi and Zoe are depicted as some kind of royalty, as seen by their diadem or crown.