Blocking the attack with her wings, Gabriel(?) was sent flying backwards from Raven's fist, with her back hitting the room wall, leaving a crack in the wall and causing her to cough out some blood from the impact.

"Not bad." Gabriel(?) mutter while looking at the berserk Raven, who seems glaring at her with hatred clear in his eyes.

The berserk Raven puts his right hand upward, and Zether in the air seemingly shakes uncontrollably. Still, more importantly, more Zether start to come out from Raven's right arm, and the amount coming out from his right arm is comparable to that of water in the dam suddenly bursting out like a flood.

Gabriel(?) quickly pulls herself out of the wall while staring at the berserk Raven, who still has his right arm in the air. At the same time, Gabriel(?) can also feel Zether in the room moving to gather in one spot, and she can also clearly feel Zether coming off Raven's right arm.

"It seems that the rumour of the Crowns being able to generate an infinite amount of Zether is not a rumour." Gabriel(?) says while spitting out blood from her mouth.

In the open palm of the right arm of Raven is what seems to be a floating ball of black-green energy, seemingly made purely of Zether.

"That amount of Zether condenses into that thing?" Gabriel(?) says while her sadistic smile starts to form on her face, "You going to kill us all? No, you are going to destroy everything from the Zether reaction alone. But I guess that doesn't matter to you."

The berserk Raven only let out a feral growl before disappearing from where he stood, before reappearing in front of Gabriel(?).

'Teleportation!? No! He too fast for me to keep up!' Gabriel(?) thought in absolute shock; however, despite her surprise, her Arch Magia, Puritas, had already moved before she even noticed, and all of the feathers that had been lying on the floor or stuck in the room from Gabriel previous attack had already move on it own.

Forming a shield in front of Gabriel(?), Raven thrust his right hand forward with the energy ball still prevalent in his hand, and the energy immediately hit the metallic feather shield.

Gabriel(?) eyes widened in shock, seeing how she did not command the feathers or her Arch Magia to block the attack.

'I did not-?! How is this even possible!?' Gabriel(?) thought before realising, 'I see. So she only swaps places with me and has some control over the Arch Magia.'

The shield made from metallic feathers starts to have a crack forming on them, and the air and space begin to bend from the collision between the shield and Raven's attack.

Gabriel(?) smiles and uses the time she got from blocking the attack to flying up into the air to avoid the oncoming attack from the berserk Raven.

When the shield got destroyed, Raven's right hand, with the energy ball, hit the wall behind the shield, creating an explosion and causing the entire room to shake from the blast alone. Due to the attack being blocked before, the damage caused by the attack had been dramatically reduced.

However, the damage caused by the explosion was enough to destroy all of the machines inside the room, the machines that were preventing too much Zether from leaking out. The crystal hanging above Heaven's Gate immediately fell right into Heaven's Gate, spilling out liquified Zether into the room.

With the machine inside the room destroyed by the fierce Raven attack, a massive amount of Zether spills out like a flood. The air itself gets heavy due to the Zether in the air.

Outside the room, the basement starts to be filled with Zether rapidly to the point where Zether begins to spill out and fill the entire building of Athenaeum, filling it all with Zether, which results in the Athenaeum immediately going into a lockdown to prevent Zether from leaking into the Zether.

Back in the basement room, Raven looks up toward the flying Gabriel(?), who also looks back at Raven. Gabriel(?) had already controlled her wings to let out more of the metallic feathers her wings, and all of the numerous feathers started to fly around the room.

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More and more feathers come out of Gabriel(?) wings and start to fill the room with them. Raven only looks around, with more of his start turning pitch black with green lines running along them. Even more surprising is that a single horn starts to grow out of one side of Raven's head.

With one single mental command from Gabriel(?), all of the feathers in the room immediately fly toward the still-transforming Raven; the latter only looks at the feathers with the same look that he has at Gabriel(?).

Reacting to the situation before him, the berserk Raven let out a massive roar that seemingly shakes the entire room itself. His monstrous roar has enough force to push and stop all the feathers in the air while also having enough power to move Gabriel(?) right into the roof, hitting it with a loud crack.

'He's... getting stronger!' Gabriel(?) thought, 'The Zether in the air and the amount of Zether he is generating is powering him fast!'

With another roar, Raven leaps into the air, leaving a massive crack in the ground while seemingly breaking the sound barrier. With his speed and power, the frenzy Raven grabs Gabriel(?) face with his hand and throws her down toward the ground with so much force that Gabriel(?) armour immediately has a crack on them due to the impact alone.

Raven follows it up by delivering a dive kick straight into the gut of Gabriel(?). Still, her wings immediately moved on their own and tried to block the berserk Raven's kick, but it didn't even stand a chance, with all metallic wings immediately breaking like glass.

With his kick breaking through Gabriel(?) wing, it hit squarely on Gabriel(?) guts, causing her to spit out blood while also breaking most of her ribs at the same time, but Raven does not stop there; he jumps into the air again before delivering another dive kick right into the stomach of Gabriel(?), causing her to spit out more blood.

All of this results in the ground beneath them immediately breaking, causing them to fall into the pit of Zether.

'Damn it! We are going to fall right into Heaven's Gate! If that happened, I would stand no chance against this bastard!' Gabriel(?) thought while looking down toward the pit of Zether, 'I guess I'm not taking that Crown anytime soon!'

With that last thought, Gabriel(?) grabs right into Raven's leg, which was used to kick her, and with all of her strength, she throws him away, right into the pit of Zether that is Heaven's Gate, while also using her destroy wings that are regenerating to fly, stopping her from falling into the hole.

However, out of Gabriel's (?) expectation, growing out of the back of Raven is a single wing that grows out from the right side of Raven's back. With his singular horn, the right side of his head had grown much more prominent, and his right arm had fully transformed, with a green claw fully covered by what seemed to be metallic-like skin.

With a flap of his singular right wings, Raven flies up toward the flying Gabriel(?), who immediately responds by using one of her wings to intercept Raven's move. Instead of dodging the attack, Raven takes it head-on in his craze mind, resulting in his grown wing being cut off and falling right into Heaven's Gate.

However, Raven still had his momentum and flew pasts Gabriel(?) guard, and with his right hand, he pierced it right into Gabriel(?) chest.

Coughing out blood, Gabriel(?) grabbed right into Raven's right hand while also looking him straight in the eyes, "Why won't you give up already!!" Gabriel(?) says while glaring straight at Raven.

Knowing that she would not survive this attack, Gabriel(?) pulled Raven closer to her, and she then followed it up by commanding her metallic spike-shaped object at the tip of her ponytail to pierce Raven right into the throat, causing Raven to let out some blood from his mouth.

"Let go to hell together, you son of a bitch!" Gabriel(?) says through all of her pain before using the last remaining of her strength to use the spike that pierced Raven's throat to cut off, transforming Raven's head, killing him instantly, causing that still changing head of Raven to fall right into Heaven's Gate and into the Garden itself.

With that done, Gabriel(?) light fades from her eyes, and her armour and wing disappear in particles of light, leaving her in her precious attire before her lifeless body and Raven's headless body to fall right into Heaven's Gate.

Unbeknown to them, watching this unfold from the top of the room, Samael watches it with the happiest smile.

"Finally, it seems that this cycle has ended," Samael says while his surroundings seemingly distorted and cracks started to appear in the air itself, "The final and last cycle will finally begin. That bastard, Klaus, sure loves taking his time."

With that last sentence, Samael let out a chuckle before seemingly also disappearing in a blink of an eye while the room, not the world itself, started to get distorted for unknown reasons.

Sitting on a chair while seemingly floating in the endless void sits the creature that was talking to Raven earlier, watching what seems to be a television showing the body of Raven and Gabriel(?) falling into Heaven's Gate.

With a movement of its hand, the creature seemingly shut down the TV before looking into the void of darkness itself.

"The wheel will keep turning. The world goes round and round, and the never-ending conclusion will never end. The journey's destination will never be reached, and we can only watch the wheel of destiny moving forward. We'll meet again in the never-changing ending. So sleep tight until then, Raven Valentine."