<p>Celeste and Andres are led through a peculiar Greek town to a secret mysterious cavern, where their arrival is expected.</p>

S3E6 - Children of the Essence - Chapter Six: Return to Essence House

Whether the Essence is an element that can manipulate time or the Essence is the source of time itself remains uncertain. Be that as it may, its power has omnipotent potential that demands shielding it from evil a necessity. The Essence Guard is that shield, and these are the Chronicles of the Essence Guard.