Cottage of Pure Mind, the meditation room.
Gu Yu was sitting on the rush mat with a fiery red feather between his fingers. He probed it with his mental force repeatedly, apparently conducting some experiment. In a while, he shook his head and said with resignation, "I still can't make it work. My mental force is not powerful enough to change its structure and appearance."
"So,
"Don't give up just yet. The feather won't work, but we still have the fluff. There's enough to make a down jacket with," comforted Gu Yu, not bothering to feign the least sincerity.