It was precisely because this would be a high-stakes gamble without requiring any actual wagers that Nian Bing carefully considered before agreeing to Xi Jie's proposal. Xi Jie had confidence, and Nian Bing also felt equally assured in his own abilities. After so many years of cultivation, he was ready to use this ultimate duel to test his comprehensive strength. Ever since he had mastered the Seven Sword Souls and Spiritual Entity Attack, he had never fully unleashed his power against a single opponent. Thus, even Nian Bing himself was uncertain about the true extent of his abilities.