His aim was still not too accurate as it was his first time using this method on a real target. Before, he had been practicing in the bathroom without something to aim at. Thus, even though he shot out ten fire needles, only two hit their mark, the rest were off course. However, this also helped him to understand his weakness and adjust his aim accordingly.
The second shot of ten needles had four hitting their mark. Four zombies burned fast and turned into ashes soon after.
Leng Pan had not attacked yet as she used her water ability to create a thin protective must around her. This mist obstructed sight, although from the original book, the zombies couldn't see and only used their hearing and sense of smell to locate their prey.
It also helped to cover her scent, thus camouflaging her and protecting her from being discovered through smell.
