Precisely because he had awakened the Chaotic Body and had been chosen as master by the Chaos Devouring Tower, making him an owner of the Chaotic Body, he and the Chaotic Heavenly Dao were destined mortal enemies under these circumstances.
The Tower Spirit's meaning was crystal clear.
Once the Chaotic Heavenly Dao successfully awoke and was reincarnated, it would undoubtedly exterminate all owners of the Chaotic Body at the very first opportunity, thereby suppressing the nine primordial chaotic treasures.
Chapter 708