Answer:
I sleep by day, I fly by night. I have no feathers to aid my flight.
Creatures of power, creatures of grade, creatures of beauty, creatures of strength. As for their lives, they set everything's pace. For all things must come to live. Under their emerald embrace Either in their life or in their death.
I am a box that holds keys without locks, yet they can unlock your soul.
I climb higher when hot, But beware my rage, I’ll kill with a breath, If I can escape my cage
It is weightless, you can see it. If you put it in a barrel it will make it lighter?
A word of five letters, Upside down is the same, A shark does this, But it’s not to blame. What is the word?