The Knights of Roose Castle or better known as Holy Knights is an elite group of warriors located in the Great Roose Nation.
There is nothing else known about the group other than they were sent out by Pope St. Constantino across the continent of Bermesiah to shut down the Dimensional Portals and combat the invasion of the Elyos tribes that have gotten out of these gates.
- Main article: Lime
Lime Serenity is currently the only known member of the Holy Knights. Lime became separated from her comrades during a battle and got lost then she came across the Grand Chase by chance and was saved.