Battle of the Same Origin

With a buzz, just as Joker's words fell and the expression beneath Ra's al Ghul's mask changed, black light began to surge over Joker's body. Even his pupils instantly turned pitch-black.

And that was only the beginning. As Joker's pupils went completely black, the surrounding darkness also began to tremble. Faintly, countless dark substances could be seen merging into the black light surging around Joker.

Yes, Joker was absorbing the surrounding Dark Power. Because Ra's al Ghul had used the power of the Shadowkhan to torment him, Joker had remembered the method he had used before to communicate with the Dark Dimension.

Only now, Joker's communication with the power of the Dark Dimension was clearly much more complicated. Before, Joker had used General Ika as a medium and suppressed General Ika with his own willpower, allowing him to continuously draw power from the Dark Dimension...

But now, Joker had to use his own body as the medium, forcibly drawing in the power of the Dark Dimension. This was not only because this body possessed a special ability and could more easily accept the power of the Dark Dimension, but also because success required consuming a massive amount of life force.

However, mere life force was not something Joker cared about. Besides, this Joker's body was no longer his previous body anyway. Obtaining the power of the Dark Dimension this way was not much different from getting it for free. At most, Joker's consciousness had to bear some heavy pressure and pain...

"How is this possible?!" When Ra's al Ghul saw the darkness around Joker disappear and Joker, who had been suspended in midair, slowly descend to the ground, his pupils abruptly shrank. For a moment, he found it hard to accept the sudden turn of events.

After all, Ra's al