A good Duras is unimaginable, but it was. Luka Crosszeria from the clan of Zess has a close relationship with Yuki. Earlier in his life Yuki was in fact a girl and the mistress of Luka. Yuki now but was born again as a boy. No one knows why, but all suspect: It comes to an end. Luka carries the "Bloody Cross" which is unique from all Brand Zess. It is currently only known that they stand for the betrayal of the clan. Luka but only sees a future: His / His protect Yuki, that's all he wants. Luka Crosszeria is also still a General Class Opast and former lapdog of the Demon King. Since he used to drink the blood of the king, who came to the strength with which he now protects Yuki. His age is estimated at 21, but if you're suggesting that he has struggled for decades with the Giou clan side by side, he should already be at least over 500 years old. Takashiro is also already older than 1000.