Kai had prevailed against seniors who dwell in the Second Sky.
He most certainly has what it takes to prevail against Barbara and Chester—but the stakes are too high for him to take the Dragon Ring tournament lightly. Until the day of the tournament, he needed to keep getting stronger.
Find more ways to lower his chance of losing. Find more ways to guarantee his victory.
Becoming the Red Prince is what he needed to stay alive.
Mining the required weekly quota for a Lesser Angel is not sustainable in the long run, and it would also be his constant point of weakness that could be used by anyone to kill him. Now— it became even more important, as losing would mean execution.
Helping Layra came at a cost.
And it was now his head on the chopping block.
For those reasons, he simply can't afford to lose the Dragon Ring tournament.
Not if he wanted to survive and keep his promise to his sister.
