Generally, Lex was able to maintain his composure regardless of the situation. In fact, more often than not, the more serious a situation was, the better he would be at controlling himself. He had to be like this, considering the fact that he regularly faced extremely powerful beings that could easily eradicate him.
In fact, Lex could say for certain that if the saintess had any other identity at all, whether it be some ancient deity or a secret Dao Lord or some unimaginable entity with a power scale he could not comprehend, he would still not have been shocked.
But brought face to face with little Moon, his youngest sister, thoroughly stumped him. How many years had it been since he had last seen her? Considering that he had spent 15 years in the Midnight realm, and hadn't seen her for years even before that, it was close to two decades.
Had it… had it really been so long?