C1847 Territory of the Great Emperor

The reason why she was able to fuse with the inner universe this time was because Xue Zhantian had smashed the All Evils Pill onto her body. This caused her, who was at the ninth stage of the Half-step Monarch, to continuously improve her physique.

Only with a strong physique would one be able to withstand the pain and immense energy from the fusion of the universe