Song Wen was extremely satisfied with the destruction wrought by the Great Firmament Divine Thunder.
Although the Great Firmament Divine Thunder was less powerful than the spirit treasure Chasing Sun Spear, the gap was not particularly large.
Moreover, as Song Wen's cultivation increased, the divine thunder would grow considerably stronger. By comparison, the increase in his cultivation would have a more limited effect on the Chasing Sun Spear's power.
Song Wen estimated that once he reached the middle stage of Spirit Transformation, the Great Firmament Divine Thunder might rival the Chasing Sun Spear in power.
He did not linger. Immediately activating his movement technique, he turned and left.
After changing direction several times, Song Wen was certain no one was following him. He arrived at a desolate stretch of gravelly sand.
Spiritual energy was sparse here, and the land was dry and rainless. Neither cultivators nor mortals visited; not a soul was in sight.
Song Wen waited in midair for a short while before a third-tier Shadow Gu came flying unsteadily toward him.
The Shadow Gu looked somewhat weak, as though it had gone years without nourishment from spiritual energy or blood.
After briefly communicating with the Shadow Gu, Song Wen forced out two drops of blood essence and fed them to it, then drew it into his body.
Next, Song Wen flew to the foot of a rocky mountain a thousand li away.
The rocky mountain was utterly barren, with no vegetation growing on it.
Song Wen sent out several streams of magical power, moving aside a scattered pile of rubble at the mountain's foot.
A cave entrance was revealed.
After proceeding more than a hundred zhang inside, Song Wen found his path blocked by a formation barrier.
It was a low-tier spiritual isolation formation, primarily intended to prevent