Answer:
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
I am black and white and full of fuzz
I have thirteen hearts but no body or soul. What am I?
The person who makes me doesn't need me. The person who buys me doesn't use me. The person who uses me doesn't know it. What am I?
I am a bow that can never be tied or broken but can disappear. What am I?
I'm the source of all emotion but I'm caged in a white prison.