|Creator||Probably Death Dragon|
|Objectives||Release Death Dragon from the Infinity|
|First Appearance||Agent's Assistants (Episode)|
The Flame Keepers' Circle Soldiers, also known as the Esoterica, are worshippers and servants of Death Dragon.
Little is known.
They can generate and project purple energy balls. They have been seen teleporting. They do this by dissolving into a purple mist that floats away; they use this same method to get to Bryce.
They wear purple and black, martial arts clothes, including a mask.
They have appeared in most episodes since their debut in Agent's Assistants (Episode).