Order of Angels

Based on themes from mythology (Knights of the Round Table, angels and demons, so on)and popular games and media (Assassins Creed, Cliff Lin, Doctor Who etc...).
After losing his people, his lover and family in the desperate attempt to destroy the demonic corruption, Riesu, one of seven archangels and a deadly warrior, now wanders between the realms alone, forever seeking to slay those affected by the demon blood.
However, when evidence begins to be unearthed of the demonic lord Bathin's survival, Riesu finds himself unable to tackle the renewed threat of eternal darkness alone. His quest begins to search the various realms and plains of existence to find like-minded peoples who will fight in the name of justice. Will his enduring nature be enough to gather the strongest knights and dames of the land? Or will his efforts prove fruitless against the overwhelming power of darkness?
Note: This is book I of a series of original novels.