Answer:
What can be big, white, dirty and wicked?
I am a span of time you can always see through I am also the timepiece with the most pieces. What am I?
To unravel me you need a simple key, no key that was made by locksmith's hand. But a key that only I will understand.
Slayer of regrets, old and new, sought by many, found by few.
A type of hammer that brings a room to order.
Do what he says and you'll be fine, don't and you lose the game.