Answer:
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
What is often returned but is never borrowed?
My first half is normally made of stone, my second is crazy, and I taste sweet when complete.
How can you burn an apple, blueberry, rose and pumpkin without leaving any ashes but retaining the smell of it?
What can be seen but never found that only hides in the unwound?
What is so fragile that saying its name breaks it?