The Holy Knights「聖騎士 Seikishi」 are the most powerful knights in Britannia who are heroes that protect the kingdom. They are a group of terrifying individuals, with each able to match an entire country's army in strength and power, and having magic that transcends human knowledge imbued within their bodies.
In Britannia, there are orders of Holy Knights within the kingdoms of Liones, Danafor (prior to its destruction), Edinburgh and Camelot.
Great Holy Knight
Template:Kr are the most powerful of the Holy Knights, and possess the authorities of commanding over them, thus making them the leaders of the Holy Knights. This gave previous Great Holy Knights, Dreyfus and Hendrickson, command over the whole country after the coup d'état.
The current Great Holy Knight is Howzer.
Assistant Great Holy Knight
Template:Kr Holy Knights serve directly under the Great Holy Knights and act as their assistants. They may not necessarily be stronger than Diamond ranked Holy Knights, and some cardinals are elderly knights and wizards.
Template:Kr is a title given to well established knights that have great strength, which is equal to that of an army.
They have command over ordinary knights and train apprentices to become full fledged Holy Knights. All of them are imbued with extraordinary powers, such as Gilthunder's lightning abilities
and Guila's explosion abilities.
There are titles within the Holy Knight themselves, it seems the higher ranked they are, the more power they have. These titles are (from highest-rank to lowest):
Apprentice Holy Knight
Template:Kr, as their name suggests, are apprentices and disciples of existing Holy Knights who are undergoing training to become seasoned and qualified Holy Knights. They are fairly powerful compared to ordinary knights, whom they have authorities to command over, but are still much weaker than a Holy Knight.