Answer:
I can move even when you are still. I can be one or many.
I'm the source of all emotion, but I'm caged in a white prison.
A type of hammer that brings a room to order.
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
I am a fire's best friend. When fat, my body fills with wind. When pushed to thin, through my nose I blow. Then you can watch the embers glow.
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