雨夜带刀不带伞

His master knew that he was going to die, and before he died, he gave instructions: After my death, if those who come in the future treat me with courtesy, you can test your strength and if you are good, then you can follow me. If you disrespect me, kill them directly! If you can't kill him, you go directly into the lake. If he dares to follow him in, he will definitely die....