Obito Uchiha's determination to kill Wang Ming was entirely serious.
He acted so recklessly throughout the ninja world because his confidence stemmed from the eye technique: Kamui, but ever since he learned that Wang Ming could freely enter the Kamui Dimension, there was never a moment he did not want Wang Ming to die sooner rather than later.
Therefore, he brought the Akatsuki, bringing along its entire roster at this moment.
If not for Obito Uchiha's insistence and instigation, even with the commission of Tsuchikage Ōnoki, it would have been impossible to persuade Akatsuki leader Nagato to mobilize in person.
Earth Release: Earth-Style Wall!
Fire Release: Great Flame Technique!
Akatsuki financial manager Kakuzu, originally a rogue ninja from Takigakure, had cultivated Earth Grudge Fear, which filled his entire body with black tentacles. Through Earth Grudge Fear, he could steal the hearts of other ninjas, accumulating up to five hearts at most. Each heart represented a life while also granting him longevity and five types of chakra.
His strength among Kage-tier figures could be considered a relatively formidable existence, except that his opponent now was Wang Ming. Even if Wang Ming did not use power systems from other worlds, he was still not someone just anyone could meddle with.
Wang Ming wielded the slender rusty sword in his hand, the rusty sword radiating a brilliant luster. That was natural energy condensed into sword Qi, peerlessly sharp.
Boom!
With just a light wave of the rusty sword, an instant hundred-foot-long beam of sword Qi pierced out from the blade, reducing the various five-element ninjutsu unleashed by Kakuzu into nothingness.
Ah—
Kakuzu's body was directly struck by the sword Qi, letting out a painful scream. However, no blood flowed from his physique; instead, a massive amount of black tentacles burst forth, while a