Why were the high priests so powerful in Inca society

Explanation:

High Priest - The high priest, called the "Willaq Umu", was also a very powerful man. He was probably second in power to the Sapa Inca due to the importance of religion in the Inca Empire. ... Council of the Realm - The Sapa Inca also kept a council of men who advised him on major matters. These men were powerful nobles.

Explanation:

High Priest - The high priest, called the "Willaq Umu", was also a very powerful man. He was probably second in power to the Sapa Inca due to the importance of religion in the Inca Empire.

the minoan civilization flourished in the middle bronze age on the island of crete located in the eastern mediterranean from c. 2000 bce until c. 1500 bce. with their unique art and architecture, and the spread of their ideas through contact with other cultures across the aegean, the minoans made a significant contribution to the development of western european civilization as it is known today. labyrinth-like palace complexes, vivid frescoes depicting scenes such as bull-leaping and processions, fine gold jewelry, elegant stone vases, and pottery with vibrant decorations of marine life are all particular features of minoan crete.  

so basically their unique way of ding arts, as well as architecture.