长期固定出特规律公式简介：Every once in a while, the system prompts would come to mind, which made Qin Fen know that the mastery of firearms combat was not the end yet. Looking at the increasing proficiency, he also wanted to know what the next level would be.
Every once in a while, the system prompts would come to mind, which made Qin Fen know that the mastery of firearms combat was not the end yet. Looking at the increasing proficiency, he also wanted to know what the next level would be.
