"The reason I underestimated Lizhi was because I knew that even if he had newfound abilities, it would be related to some kind of destructive power. I, on the other hand, have the ability to resist the destructive power. I'd intentionally revealed the flaw to incite your outbursts. In reality, all of you can't possibly win from the very beginning. However, I never expected any of you to be capable of compelling me to do this."
When he collaborated with the Gale Saber Demon Sima Jinchi, the Shrek Six Monsters could not possibly win. Sima Jinchi's ninth soul skill allowed him to transform into the real Dragon Clan's power saber to reveal his strength.
Even though he was only capable of displaying a small portion of the effect produced by the Dragon Clan's power saber, it was more than enough to deal with the six monsters.
Tang Wulin's trump card was truly powerful such that he could immediately end the battle regardless of when he chose to play the trump card.