C4077 Residual Soul of Primordial Spirit

Long Yan looked very carefully. There were 11 different keyholes on this metal door, which corresponded to the 11 keys of different colors.

Following which, each of the eleven people held a corresponding colored key and inserted it into the hole.

Very soon, the iron gate that was filled with monuments started to tremble violently. Everyone opened their eyes wide, waiting to rush in immediately