Su Yang didn't know who created the secret technique of Devouring the Heavens, but he had to admit, of all the secret techniques he had come across, this was definitely the most dominant.
Once the shadowy figure opened its mouth, there was nothing in this world that couldn't be devoured.
Especially various kinds of spiritual energy, which seemed extremely insignificant in front of Devouring the Heavens.
Of course, the prerequisite was that you had to possess enough resilience.
For example, if you were only of the Venerable Realm, you might manage to devour another Sovereign, but if you tried to devour a Terrestrial Immortal, that would be impossible.
Devouring is possible, but what about after devouring? If your body can't withstand such overwhelming power, it will shatter after the devouring, which is essentially a death wish.
However, Su Yang had no problem devouring the strength of Qi Zhian.
