Your lineage followed Bezsus out of the feywild in the distant past and are now blessed by him to serve your people and fight his enemies.

You have 3 uses through which you can cast blank spell or activate your spirit flow ability. 

Spirit flow. As a binus action action you activate Spirit flow which creates an area of easy movement for your allies and hard movement for your enemies. In a 40 foot square with you at the center each enemies has a negative 10 feet movement penalty and a 10 foot movement buff to your allies. 

Blessing of flow. 

Blessing of flow allows you to cast black spell using one of your charges and cast ceremony in your ceremony tent one per person of your choice.