At the peak of first-tier ultimate skills, its power naturally surpasses that of high-tier first-tier skills.

Moreover, the range of the "Nine Heavens" sword was so vast that the Blood Robe Marquis couldn't evade it and had to face it head-on.

Su Xin's power was inherently stronger than the Blood Robe Marquis, and with Su Xin using a peak first-tier ultimate skill, it was only natural that the Blood Robe Marquis couldn't withstand it.

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