Although Kiana heard that familiar voice, she never connected it with Mei, because her Mei would never treat her like that, especially since Mei was still with World Serpent at the time.
Kiana: "Ah! What is going on? When did you appear behind me?!"
Current Kiana was utterly bewildered. Although she wasn't exceptionally strong, she possessed all the abilities of the Herrscher of the Void. Yet the opponent had managed to approach her without her noticing, holding a blade to her neck the very moment she spoke.
Chapter 429