C429 Eight star formation master

Lin Tian took a glance at his surroundings, then stared at the sand dunes and said, "These sand dunes, are for array eyes, and every sand dune contains a huge amount of energy to maintain the array formations around the underground palace!"

"Senior, what do you mean?" Shen Qingyu didn't really understand, but Feng Aoxuan, who knew a lot about formations, said, "These sand dunes contain a huge