The expansive view of the desert oasis castle made a sneak attack no easy feat. Without the presence of heavy weapons or aerial strikes, only three methods came to mind: a frontal assault, disguising as the enemy to blend in, and silent infiltration. The first two were simply impossible, leaving infiltration as the only path. However, infiltration required cover, and with open visibility and heavy patrols in the vicinity, slipping in unnoticed was incredibly challenging. Therefore, Luo Zheng decided to focus his efforts around the water source.