It is unclear what this mystery is intended to do, and is clearly fueled by some power other than the quint you recognise.
This mystery can only be cast at an event under the sign of Taurus
Castor Badro Praxis Praeditius Dulio, House Luca Yasmin Julia
This mystery consumed the Black Sarcophagous and the Funerary Coins of Superbus. Target: Castor
Castor becomes THE SAND TITAN.