Perhaps it's due to the appearance of the 'Traceless Illusion Sword', a treasure with six and a half Dao Rhythms, that surpasses the Heaven and Earth Rules by too much, resulting in this thundercloud being several times stronger than the Heavenly Strike Thunder Hammer.
He couldn't trust the 'Traceless Illusion Sword' to face the Heavenly Thunder alone, as the 'Traceless Illusion Sword' wasn't adept at defensive tactics.
Now that the 'Traceless Illusion Sword' had become his life-bound treasure, he could face the Heavenly Thunder together with it.
The thunderclouds in the sky thickened, with lightning constantly traversing through them, accumulating terrifying power of thunder and lightning.
Li Shiming, having studied the Heavenly Tribulation extensively, transformed the 'Traceless Illusion Sword' into a longsword, which he grasped in his hand.
