At this very moment, Xu Qingzong saw the mighty Sword Qi approaching, its momentum growing stronger and stronger, so much so that even the heavens and earth seemed to change color.
This instant saw Xu Qingzong's face, rarely so serious, his heart finally beginning to take Lin Tianfeng seriously.
He was very clear in his mind that the Spirit Art Lin Tianfeng was using in this desperate situation was indeed formidable.
And indeed, it was so.
That's because the cultivation technique of this Spirit Art was not of a low grade, its power was overwhelmingly mighty, and it had always served as a trump card among the core members of the Lin Family.
Moreover, the most significant feature of this Spirit Art was that the longer the Sword Qi was condensed, the more powerful the burst of energy when released.
Take Lin Tianfeng himself; despite having been through numerous battles over the decades and facing life-threatening peril multiple times,
