As for the helmet that could bring a living being's thought process to a standstill, headquarters had also been independently researching it and had reached the condition to produce a semi-finished product. It's just that at the time, Zhang Xiaomo was not aware of the development of the helmet.
Now, this helmet from the Great Capital Exorcist organization of the USA had some key technologies that Great Capital didn't have control over. It was just in time to provide help in an emergency, with a value greater than that black metallic sphere.
In order to reward Zhang Xiaomo, Zhang Di, and Yan Junze, Huo Zhisen gave Zhang Xiaomo and Zhang Di a sum of bonus money, and for Yan Junze, it was an Exorcist-exclusive travel permit. With this travel permit, one could substitute it for an identity card, and it could even grant access to certain areas restricted to regular personnel.