Answer:
A certain wizard resided in a city made from this gemstone.
What can you put in a barrel to make it lighter?
I scribble forms of the finest letter, And repel elements of the harshest weather. I am an arrow-aimer and a dust-breaker.
Hold the tail, while I fish for you.
Everyone has it and no one can lose it, what is it?
Special abilities and brightly colored underwear are all you need to be one of these.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?