Black Dragon King?
This was a new term. Link looked at the dragon elders around him. Seeing all their grave and secretive expressions, he could tell it wasn't a good term.
Link glanced at Gretel and asked, "How do I turn back into a human?" He could feel that he could do it, but he had no clue how to.
"Take a deep breath, hold it, put it into your stomach… Right, now you're back into a human."
Link felt his body's inner structure clearly and could easily do what the queen said. When he was done, he felt his body squeeze. The extended Dragon Power quickly retracted and his body shrunk at a speed visible to the naked eye.
Three seconds later, he was a human again.
After that, his clothes automatically jumped out of the dimensional storage gear and seamlessly returned to his body. Link looked down at his hands. They were normal, without any dragon scales or crystal thorns.