Answer:
All about the house, with his lady he dances, yet he always works, and never romances.
It can pierce the best armor and make swords crumble with a rub, yet for all its power It can't harm a wooden club.
Thousands lay up gold within this house. But no man made it. Spears past counting guard this house, but no man wards it.
What flares up and does a lot of good, and when it dies is just a piece of wood?
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
When is it bad luck to see a black cat?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?