The lake guardians each live in the cavern at the center of one of Sinnoh’s three commonly known lakes: Uxie resides in Acuity Cavern of Lake Acuity, Mesprit resides in Verity Cavern of Lake Verity, and Azelf resides Valor Cavern of Lake Valor.
“Why should I run and hide from the world and have to wait quietly? My aim is to rid our world of the vague and incomplete thing we call spirit. By freeing ourselves of that, our world can be made complete. That is my justice! No one can interfere!”