Cultivation? It All Depends on One Mouth!

Traveling to the world of Xianxia, ​​other people's magical powers are to trigger thunder and swords to open the heavenly gates! But Xu Yan's magical power is to reason with all things? Murder scene: Official: "There is no clue to this case." Xu Yan looked at the murder weapon: "Brother Dao, come on, tell me who the murderer is?" Sect competition Opponent: "As soon as I use this flying sword of my life, life or death will not be up to you." Xu Yan (looking at the opponent's flying sword): "Brother, do you want to change jobs? I'll introduce you to a beautiful scabbard, which comes with five insurances and one gold!" I, Xu Yan, am a salty scholar who just wants to take the top exam in the capital and then live in peace. It is said that the requirements are not high, right? Why does the whole world ask me to work overtime?