[url=http://www.youtube.com/watch?v=MyWMEMkmMEQ]BGM - Hunter of the Dark[/url]

With that much focus on properly fighting against Kaika, Yasu was basically that non-attentive that he was thrown around like a ragdoll from all of those attacks, and yet...he was still alive after that. Slowly standing up from the crater from the last attack, Yasu was getting annoyed by these nuisances, they were just as annoying as Kaika's allies, always getting in the way.

"Er, guys...I think you might want to get out of the way. This is between me and Yasu," Kaika said as she knew that this was their last fated battle, before she would eventually die from the Lifestream overusage. Just like that, she rushed towards him once more, gaining speed from the help of her newly formed angel wings and reading her blades for combat. Even if she knew that Yasu deserved to be attacked like this, she felt like it was more satisfying to defeat him herself and herself only. In that instant, the two began to clash, life versus death. Swinging her blades with lightning speed, Kaika began to send many pure energy waves at Yasu, and with the addition that Yasu began to send his own shadowy energy waves at hers. It wasn't long until Kaika managed to overpower his energy waves with her own, ascending into the air with her wings. "Et tenebræ tuæ erunt purgatum!" Kaika shouted in Latin as her body was surrounded with powerful energy, and she began to dive down towards the stunned Yasu, appearing like a speeding meteor heading towards him. The moment she rammed into him, Kaika slashed her blades at him once, and the force of the energy was that strong that this burst of energy was enough to send Yasu flying some distance away, to which Kaika flew after him so she could get a few more slashes and hits on him.
---
This was it, the original Shadow Replica couldn't do much more, not with the fact that Yasu wasn't there to help the being out. Alius was in shock that she would be defeated like this, unable to do much as the burst of thunder was more than enough to knock out the Shadow Essence that she was. To the others, Alius's presence appeared to be completely eradicated from the physical world, but Alius's essence would always return back to the After World to restore itself in dormancy.
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"Well...we're not sure if it was a real witch, since we were investigating the island to see any logical explanation...though that's all I know before I got here...' Tris shrugged, she wasn't really believing it was Witches that caused the mass murders in the first place, and she was one of those rare children that actually didn't believe anything to be real fantasy.