C1809 Acoustic Tide Class？！

The Source Strength of Spiritual Body of Great Dao, was also the Strength of Tonggu that the Nether Bat spoke of. It was said that only those super powerful beings at the peak of the Eternal Continent could control this power!

Actually, even Xiao Lang was not sure whether his own Source Strength of Spiritual Body of Great Dao was actually Strength of Tonggu or not