Answer:
Golden treasure I contain guarded by hundreds and thousands. Stored in a labyrinth where no man walks Yet men come often to seize my gold. By smoke I am overcome and robbed then left to build my treasure anew.
What goes up and down but does not move?
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
I am a king who's good at measuring stuff. What am I?
No matter how little or how much you use me, you change me every month.