Answer:
Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.
I am the yellow hem of the sea's blue skirt.
What comes once in a minute, twice in a moment, but never in a thousand years?
Half-way up the hill, I see you at last, lying beneath me with your sounds and sights. A city in the twilight, dim and vast, with smoking roofs, soft bells, and gleaming lights.
A word I know, six letters it contains. Subtract just one and twelve remains.
This crisp stick-shaped roll is often enjoyed with soup or marinara sauce.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?