C388 Day Rising

Starting from the second day, Xiao Nan began to upgrade the sect's protective magical formation. Originally, it was a Grade 9 Confinement Killing Array. His mission was to upgrade it to above Grade 9.

He wasn't sure of the exact level of the array beyond Grade 9, but he could lay it out. However, without immortal equipment, its power would be much weaker.

In order to make up for it