Answer:
I have every color but no gold.
I am longer than a decade and shorter than a millennium
My geometry is lost in the night to be found in daylight's break. The rigors of time have torn me to shreds, yet I stand to protect that which lies within. What am I?
I give light by night, but not by day. I am wicked but not evil in any way. Wax for the most but always wane; except when I'm out, I stay the same. What am I?
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am I?
Do what he says and you'll be fine, don't and you lose the game.