Although the Yi Yuan Dao Palace is a Holy Land, the transmission of cultivation techniques and divine powers is no different from other sects in the Tianhe Realm.
The Five Elements Divine Light is granted at the Golden Core Realm, while the Primordial Five Elements Extinguishing Divine Thunder is bestowed post "Nascent Soul Formation." The most powerful, the Great Five Elements Extinguishing Divine Light Beam, can only be cultivated by the Palace Master and the Great Elder.
Although Xiao Yuli is the Saintess, if she wants to obtain these two divine powers from the Dao Palace, it would probably take at least a hundred years.
"This... would it violate the rules of the Five Elements Sect?"