"You will be die!"

My six year-old niece was playing video game with my brother and their characters were fighting. In the middle of the game, my niece shouted to my brother confidently, "You will be die! You will be die!"

I was laughing so hard that I had to wake my sister up and tell her the story. I should not have laughed because this might embarrassed and hinder her from speaking English in the future. 

But, the way she said it was really funny that I just had to laugh. I'm mean like that.