The moment Ye Zhen removed the seals from the five Black Dragon Command Flags, the five flags exerted their strength in unison, trying to break free of Ye Zhen's control.
However, the Black Dragon Command Flags were still within the category of Spirit Weapons, not Soul Weapons. Thus, even with all five flags combined, they could not escape Ye Zhen's control.
Instead, the instant Ye Zhen's spiritual sense moved and sank into the Black Dragon Martial Vein, a strange suction force surged forth from within it once more, actively drawing out the Black Dragon aura contained within the Black Dragon Command Flags.
With every wisp of Black Dragon aura drawn out, Ye Zhen's Black Dragon Martial Vein unsealed a little further.
At this point, Ye Zhen was completely certain that whoever had created these Black Dragon Command Flags absolutely possessed an inheritance that came from the same source as the Black Dragon Martial Vein.
Otherwise, it would have been impossible for it to unseal simply by absorbing it.
At this point, Ye Zhen also truly understood why his Black Dragon Martial Vein had always seemed frozen over, leaving him unable to use it.
It was incomplete.
The Black Dragon Legacy he had obtained from the Black Dragon's Left Eye within the Black Dragon Secret Palace was incomplete. That was why he possessed the power but could not wield it.
And the aura contained within these Black Dragon Command Flags was precisely the inheritance his Black Dragon Martial Vein lacked.
As for why the Black Dragon Martial Vein had also been unsealing at an exceedingly slow pace after Ye Zhen entered the Outer Sea of Death, Ye Zhen now had a rough guess.
What was certain was that the Black Dragon Martial Vein belonged to water. Its source power—or rather, its