Answer:
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
What do you fill with empty hands?
My first is a body of water. My second is me. My third came before. My fourth before all three. My fifth sounds like my first. My sixth is in a lake. Put all six together to make an animal that will keep you awake.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
Dark, feathery, and popular in Baltimore and fantasy books.