Answer:
I am always hungry, I must always be fed. The finger I lick will soon turn red.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
I look at you, you look at me, I raise my right, you raise your left.
Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.
When is it bad luck to see a black cat?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?