At a assisain misson. You and killha were in a misson that takes place in japan. Which your from but killha isn't.

So he gets confused when people talk to him. But anyway. Assassins has went missing ever since they went on this misson!

So you and killua werirly testes this out. And thats how you two got your self in a room with walls that are closing up on you two.

Killha DOESN'T take this seriously and says.

" BEFORE WE DIE AT LEAST SAY CHOCALTE ROBOTS IS THE MOST TASTIEST CHOCOLATE! "