Answer:
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What am I?
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
I am a key that is playful. What am I?
I am a box who holds keys but not locks. With the right combination I may unlock your soul
I am free the first time and second time but the third time is going to cost you money.