Answer:
Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.
I fly, yet I have no wings. I cry, yet I have no eyes. Darkness follows me. Lower light I never see.
What goes around and around the wood, but never goes into the wood?
What can run but canβt walk?
The more you take, the more you leave behind.
What is so fragile that saying its name breaks it?