Everyone: as an Assassin, It's Reasonable to Do Critical Strikes with a Sword, Right?

In an era where everyone is changing jobs, Xu Chu, who changed jobs and became an ordinary assassin, was ordinary. Fortunately, he was bound to the system, and his passive skill "Fatal Critical Strike" could be continuously upgraded. The chance of a critical hit is 100%, and the damage of a critical hit is xx times that of a normal attack. God-level knight: "Yao Shou, I'm wearing a mythical costume, but I can't block his normal attack." Frost Dragon: "As a boss in the secret realm of the abyss, I was killed by it with a knife. Is this reasonable?" Dharma God: "What Dharma God? Mr. Xu, just call me Xiaofa." Many years later, Xu Chu left behind a legend. "Xu Chu wants you to die at the third watch. Who dares to keep you until the fifth watch?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.