I Want Blood, Got It?

It is rumored that there is a sword cultivator in the world, and he finally cultivated the sword spirit. So what is the first thing to do when you have Sword Spirit? Of course it is… Black-haired man: "You will be called Fist from now on." Sword Spirit:? Black-haired man: "From now on, if I say that my fist wants to drink blood, you can come out and shout something to cheer me up." Sword Spirit:...? Intention: It is the most comfortable life to follow one's heart