Zhang Dong's strength was indeed formidable now. A single punch carried the might of a Fourth Heaven Realm Deity, but if he truly fought a Fourth Heaven Realm Deity, he would only be crushed.
Even a Fourth Heaven Realm Deity without Mighty Expert combat power would absolutely surpass him in realm. He simply had no fear of the other side's attacks.
Zhang Dong also suddenly understood that the Rule Profound Mystery System was equivalent to walking the path of comprehending Dao and rules ahead of time at lower levels, so its realm was instead somewhat higher than that of other systems.
There were differences in realm between systems as well. So long as it was not one of those inferior systems like the Chaotic Source Bloodline Path or the Devouring Path, the broad principles were not too far apart.
The profundities of the Devouring Path and the Chaotic Source Bloodline Path were distinctly weaker than those of any other system. Even among those comprehending Dao, shaman cultivators, strongest warriors, ancient cultivators, and the like, there were distinctions in profundity.
However, other systems had their own strengths as well. For example, the divine bodies of strongest warriors were unbelievably tough; the divine bodies of the Origin Continent system were incomparably enormous; ancient cultivators had talents they excelled in, and so on----
No wonder the realms of Cosmic Venerables, including Cosmic Overlords, were not particularly high, while many Fourth Heaven Realm Deities had mastered nine First-Class Divine Hearts. The requirements for realm were simply far too demanding.
"Being obsessed with pursuing power is not necessarily a bad thing, but I shouldn't immerse myself in ultimate techniques right now. I can study secret techniques, but my focus needs to be on realm."
Zhang Dong still intended to first comprehend Divine Hearts and secret