The great mountain-shielding formation of the cultivation world was not a simple thing. He had spent nearly a hundred years in the cultivation world to build it. Most importantly, this great mountain-shielding formation had to be personally presided over by an immortal-stage master.
Although the longevity experts couldn't personally deal with these guys, they could preside over the mountain protecting formation. No one could find an excuse to do so.
How could a mountain-protecting formation controlled by an expert in the longevity stage be a simple thing? Obviously not, so if these people from the hundred treasures world wanted to break the mountain-protecting formation of the cultivation world, they had to show some real skills.
