Both were cousins from the same generation, and both were from a minor branch of the family. Fortunately, due to their immense potential, they cultivated the Hundred-Spirit Qi at an astounding speed. By this point, Zhang Mu, at the age of 84, and Zhang Chenshan, at the age of 90, had both achieved the highest level for Spiritual cultivators called "Supreme". Naturally, they held great power within the Zhang Family.
The two of them were so tired of their mundane mortal lives they volunteered to guard the family's most important place—Zhao Ling Mystical Land.
Though the name "Zhao Ling Mystical Land" was quite fancy, in truth, it was only a mid-sized basin. Within it there were rivers, mountains, trees and flowers, as well as the specially trained Scorching Sun Eagles that acted as scouts.