Yosak registered Yuuri to fight in a colossium to get a lot of human spirit in one time. Morgiff awoke and went wild. Yuuri heard Morgiff talking to him, he called Morgiff's full name to control him. After he got the control, he along with Conrad, Wolfram and Yosak escaped from the city to find that Lady Ceci has been waiting for them. Once they got into her yacht, Yuuri overheard Conrad and Yosak talking about him. Conrad was angry that Yosak put Yuuri in danger, Yosak said that he only wanted to test the new king. Yuuri gave Yosak the stone in the middle of Morgiff's forehead, which was the source of the sword's power. He told Yosak to hide it or do whatever Yosak thought was good for the sake of the kingdom. Yosak was quite surprised and touch that Yuuri trusted him and agreed to do the task.
