Yuan sat before the mountain of materials and proceeded to inspect each one for several days.
After completing his inspection a week later, Yuan closed his eyes and began doing simulations inside his head.
Several more days later, he stood up, picked the needed materials from the pile, and tossed them directly into the furnace.
"It's finally time!" the Refined Obsidian Dragon exclaimed with excitement, his eyes gleaming like a child about to enter his favorite ride in an amusement park after waiting in line for hours.
While the materials were being refined, Yuan retrieved the Dragon of Destruction's skin and Number One Under Heaven, using it to cut the tough skin.
"What is that treasure?!?!?!" The Refined Obsidian Dragon's eyes popped out of their sockets after seeing Number One Under Heaven.