"Fun." He almost huffs the word like it's something foreign.

He does enjoy fighting and finds it thrilling but fun? Hardly in his vocabulary. He especially can't see it via using strange animals.

"The only weapon I require is the masamune. I do not need an animal or anything else." That is his sword and he wants it back. Somehow. It not being here is unacceptable (he'll eventually have to accept it.)