Tiamat tried to get away and destroy the hundreds of strange white cloths that were wrapping around her as she immediately noticed that it was sealing her power. However, it was all for naught as the seal had been designed specifically for her after Kisuke gathered all the data he could get from the Dungeon and the strange pond, 'And of course, the data I got from the 'monsters' of the void. Looks like my guess was correct that those attributes would be useful. If this is the case, I can now guess why Chaos, that coward, won't come down here and deal with Tiamat himself.'
Tiamat released a shrill scream once again and the white fabric around her started burning up. Too bad for her, hundreds more came out from the ground to reinforce the seal around her.
Even then, Kisuke knew that this won't be able to contain her for too long so he immediately moved to the next step and activated the next layer of the formation he set up beforehand, "Grand Sealing Rite!"
A stone pillar similar to the ones that appeared first materialized a few hundred meters away on top of Tiamat. This time, however, the stone pillar was at least ten times bigger than Tiamat herself.
Tiamat immediately felt the threat coming from above and hurriedly looked up. While she could only see the flat gray bottom, it still sent a shiver down her spine. With her body tightly bound, she could only use her voice to command her authority.
The air and space itself under the stone pillar solidified, but that didn't do anything as it continued descending unimpeded while creating noise akin to glass cracking. Tiamat could only watch as the pillar squarely slammed into her face, forcing her downwards.
The ground below Tiamat collapsed and even the black mud that could easily hold her up couldn't take the immense weight and pressure that the pillar was putting on it. As a result, Tiamat, with her gigantic body, easily slid down into the ground.
The more than 300-meter tall stone pillar didn't just stop at forcing Tiamat back into the ground as it kept traveling downwards without any regard to Tiamat's resistance.
And to ensure its success, Kisuke went on the top of the pillar and partially opened the 4th Gate, "4th Gate, Depression!"
The bloody aura around Kisuke thickened along with the appearance of a blood-red transparent hagoromo. The malevolent aura was similar to that of a God, but also distinctly different. But despite it being just a partial opening of the 4th stage of his unique Shunko, it was still enough to slowly rip his body apart with his already injured body cracking and blood seeping out.
Kisuke, nevertheless, ignored the burden on his body and placed his remaining hand on the pillar, and pushed it down, "Let's have a date. To the center of the earth, we go."
Naturally, Tiamat didn't like that but Kisuke could only hear her shrill screams from below. Within just a few seconds, Kisuke and Tiamat disappeared from everyone's sight along with the giant pillar of stone and only left a huge hole in the ground with light from the surface unable to reach its bottom.
With their disappearance and the black mud losing its size from Serafall's ice, the eleven spawns also became a lot weaker and Yoruichi was able to contain them without much difficulty. She hurriedly went to the center of the former Orario and peered down the hole. She couldn't see anything nor feel anything from it and could only hear a small sound of rocks being crushed.
Soon after, even the sound of crashing rock disappeared and the world returned to its former peaceful state.
"Kisuke..." Yoruichi could only mutter to herself. She stared at the hole for a few more minutes before shaking her head, "We're not yet done."
She then looked toward Serafall who had gathered back her Demonic Power but seemed to be having a hard time doing it, "Are you okay?"
Serafall took several deep breaths before answering, "...I'm fine... But I overexerted myself. I won't be able to do something like that again any time soon."
Yoruichi immediately lent Serafall her shoulder and said, "Rest well."
Since Serafall contested a transcendent's authority all on her own, it was amazing that she even lasted this long. Because of her help, Tiamat wasn't able to release the majority of her power and Kisuke was able to smoothly trap her in a seal, 'If I were to compare that to something, it's like trapping Great Red or Ophis in place and reducing their authority over [dreams] or [infinity] respectively. It's an unbelievable feat.'
"Let's return for now. Riveria and Line might need our help soon."
.
.
.
Kisuke continued pushing the stone pillar even after they were enveloped with darkness and the light from the surface couldn't reach them anymore.
At the half hour mark since he started pushing her down, the stone pillar was already filled with cracks and it was any moment that it'd fail, 'As expected of her. Even the strongest suppressing technique I could manage with the formation was not enough to completely trap her for very long.'
Similar to when he was able to seal Aizen, Tiamat was weakened enough for the seal to take effect thanks to Serafall. However, unlike Aizen, Tiamat was not weakened for long enough to be placed in a more permanent seal, so Kisuke could only drag her down to the depths of the Dungeon to initiate his plan.
A few more minutes later, the stone pillar finally gave out and was smashed into pieces before it disintegrated back into Magic Power and Spiritual Particles.
With dust and debris covering the surrounding area, Kisuke landed in an empty cavern and hurriedly scanned his surroundings. It didn't take long for Kisuke to find his 'date' and at the same time, he heard her shrill scream once again, blowing away the debris and dust.
Transforming for the third time, Tiamat's jaws now extended to her whole neck, revealing a row of sharp teeth. More horns also emerged behind her and a scaly wing extended out from her forearm. Her previous beautiful appearance morphed into a Draconic monstrosity that stands on all fours.
"Pretty pissed, aren't ya~?" Kisuke then took out an unadorned kodachi, "Well, it must have hurt, so I can understand you."
Tiamat still hadn't recovered so when Kisuke disappeared from her sight, it was already too late for her to react when he suddenly arrived at her forehead where it all started, "I'll end your misery."
Inserting the dagger through the crack, Kisuke listened to Tiamat's final cry.
If Benihime were to see what was happening, she'd instantly lose her sanity.