Do I Control the Mask, or Does the Mask Control Me?

(Dual heroines + slow pace + revenge + decisive killing + very cool writing) On her way home, Su Mingyu accidentally traveled to the ancient world of awakening cultivation. When he woke up, he still held a mask in his hand. The six masks in the original world ushered in the seventh one. A series of problems derived from the mask, let's see how the protagonist Su Mingyu will survive in the whirlpool caused by this mask...