Because they had already sensed that Su Chen's cultivation was indeed merely at the Origin Realm, yet he was able to command the primordial universe power reserved for those in the Creation Realm, this was what shocked them the most.
If he had mastered this through some secret art, the Slaughter Clan was in desperate need of such a technique.
For this very reason, the two temporarily abandoned their intention to kill him. Instead, they decided to imprison him and take him back to the Slaughter Clan to see if they could acquire this secret art.
Chapter 1388