The conjurations and prayers of this tradition appear often to be expressed in Latin. Do you have any experience with the Lord's Prayer recited in Aramaic? Would this be as powerful as the same prayer in Latin?
Mantras, conjurations, prayers from any Divine Tradition are always powerful as long as you recite them with faith and cognizance.
The Lord's Prayer recited in Aramaic, Hebrew, Sanskrit or any other "Mantric" language is always powerful!
Latin is a "Mantric" Language.
Mantric, Magic, Priestly Language connects the Soul to the Divine Forces of Nature and the Cosmos.