The Order of The Arrow is a guild dedicated to eradicating demons and those that befriend them. Formed by the princesses of Equestria, this group has very high authority and is given complete respect by all. The main branch is located in Equestria, with many others elsewhere, including one in the Brightlands. This is the one where Venator and Alacris come from, two investigators. None of the many other members have yet been named or seen.

Among investigators, the group also has positions such as soldiers, guards, and infiltrators. The rules of the order are not limiting on the life of it's members. There is nothing stopping them from living fairly regular lives and having families, other than the amount of time and dedication required in vanquishing evil.