C855 They Were Elusive Killing Eight People in a Row

"Let's not dilly-dally any longer. Zhang Xing is a bit of an enigma; we need to finish this swiftly."

The black-clad assassins exchanged knowing looks.

Logically, a mere Advanced Battle-Emperor like him shouldn't have been able to materialize behind the ninth assassin unnoticed, even with the aid of some secret technique or formation.

Yet, the fact that he did so without detection