The mental waves and qi and blood emanating from the arm through the crack in the container were terrifying, but not very strong. It could only annihilate those below the level of a Martial Artist, and might not even be able to deal with those Apprentices who had studied the Fixed Star Explosion Visualization Technique and the Spirit Secret Technique below the level of a Martial Artist.
And those who entered the rock wall space like Fang Zhen were able to fully see the entire space inside the rock wall. The space was about the size of three or four basketball courts, with a lot of things placed around, like a large warehouse.
The most eye-catching was the arm placed in the space. Although the arm was somewhat similar to a human arm, it occupied a transparent container over three meters high, meaning the arm itself was nearly three meters long, resembling a giant's arm.
