AN: This idea came to me recently and with my Beta being out of contact for the time being, it is a work in progress. The vengance demons get more involved in this and all through this story I can see Ares and Janus sitting back and eating popcorn while laughing at the mess while the PtB are trying to cover their butts or running for cover, some of that may be written later, but this is more of an interlunde and a cranking up of Xanders capabilities in a way that just hit me and it lets me add Anya to the mix with even D'Hoffryn entering the panic mode. Also I show the PtB's general lack of knowledge as to movies, games, books, and anything else remotely entertaining to modern man, other than bloody battles for no real reason. Also there is a guest appearance by a character from another Final Fantasy game.

This also marks the first section break in the story from one world to many.

xXx

D'Hoffryn watched the proceedings, this hybrid being was something else entirely. At first it seemed to be spectacular work, but now it was something else, those under him had a betting pool that said it was him messing with time just to show them a few things and affirm his position. But that had died when they saw the sheer brutality combined with finess.

It was a strange amalgamation of beauty and horror that filled him now as he watched. A twisting of awe and fear that confused him, the being was a free agent, neutral and had the backing of a being that could take out armies without a thought.

Then the messenger arrived. It was not quite as expected, but with most of the higher ups restricted from using their standard messengers, it wasn't as if they had a choice of a better messenger.

He knew what this was about and sighed, none of the others appreciated the art of vengance.

xXx

Xander was tracking vampires, he needed to find out where the psycho leech was laired at and terminate her life soon. She was dangerous as it was, no sense in giving her time to actually develop a plan.

Whistler had told him that the vampiric seer had backup of a powerful kind, someone that the higher ups thought could deal with Sephiroth. Fortunately the highest ones and Gaia wanted him alive and wanted him involved.

The so called Powers That Be had been working towards eliminating him, but for the moment he had agreed to deal with a larger threat before he would go after them with his usual flair. But how to deal with them was still a question on the backburners of his mind, though the main part was set to his task.

At the moment his mind was processing the knowledge that Gaia, the one he now referred to as mother from time to time, a habit that he had gotten from Sephiroth's similar connection to Jenova. A demon was being awoken into the world, one trapped ages ago by a knight, now while there wasn't a knight available to stop it, there was a formerly one winged angel to deal with the pest.

Then he smirked as his cold eyes glowed an emerald green for a mere instant before his anger abated back to a normal level, but then something caught his eyes and rage filled him.

The dark haired girl he had discovered was Buffy's sister was being dragged into the building by two odd demons and four vampires that seemed to have decided that guns were the proper armaments when in a town with a slayer.

"Hell must need to have their thermostat replaced," he muttered to himself, "Smart vampires."

"Yes, but for reasons different than you might think," came a cool, collected voice from behind him.

He spun on instinct, blade out to see a short and thin figure wearing a blue robe with odd symbols etched in it. The voice seemed like that of a young boy in some ways, but spoke of a power that felt familiar but unplacable to him.

"Put the sword away, neither Masamune nor Draconis will taste my blood today," the being chuckled as he held out a pouch, "I came to give these to you, they will be most helpful for the time being."

"Who are you?" Xander asked as he grabbed the bag and sheathed the Masamune, dumping the bag into his guantleted palm.

"Oh," the figure said as he vanished into a shower of flashing lights, "A fellow warrior in a matter of speaking."

Sephiroths eyes widened for a moment as six gems were in that palm. They were something that he had not expected to ever see in this world. Six materia lay there, and not just any six, ones that would once more change the shape of reality.

The first four were ones that on their own would once more rearrange the power structure of the earth, the four master materia. But the other two were something entirely different, the ultimate two, the black and white materia.

It seemed like christmas had come early for the warrior with a vengeful streak a few lightyears wide and still expanding. A truely wicked grin crossed his lips as he leaped to the streets, his eyes widening even more after he slipped the four materia into his guantlet and something caught his attention.

xXx

Dru spun to face the massive set of windows in the front of the abandoned factory with Glory and the minions of both turning for a moment.

"Miss Edith says that the bad kitten is comming and he's got some new toys to play with," she laughed with a sadistic glee.

"Kitten?" Glory managed to say, even the psychosis she had not quite getting the rantings of the vampiress.

Buffy charged from the shadows, lashing out at the minions in the seconds before a deafening roar reached them and something came crashing through the window.

An explosion ripped through most of the minions and tossed Buffy back with Dawn in her arms.

"Who dares!" Glory screamed, her dress in tatters.

A loud and haunting laugh filled the air as from the wreckage of what they now could identify as a burning bike rose a figure dressed in clothes that touched his ankles with each step and violet lightning cackled around him. Glowing emerald eyes were the first to be seen through the smoke.

"This is pathetic," Sephiroth laughed, gripping both blades by the hilts, their forms flashing through the swirling smoke as his boots stepped from the flames, "Does this world hold no challenge to me?"

He lowered his shields and the raw surge sent the cackling lightning spreading through the building, giving off an ethereal light as his hooded form became partially visible.

"Who are you..." Glory managed to choke out after the surge blasted her backwards, the raw power dusting several of the minions scattered around, leaving only a handful.

"You..." Buffy and Dawn stammered as they recognized the being from the library.

He reached up and unclasped the neck of the hooded cloak over his coat and tossed it aside. The white hair and features that Buffy could not mistake combined with the body that spoke of intense training.

A vengeful smirk crossed his lips, "I am Alexander, I am Sephiroth, I am your doom!"

Glory roared and charged as Dru cowered from the power, screaming in pain.

xXx

"Dawn," Buffy screamed as the building started to fall apart, "We've gotta get out of here!"

"Why, he's killing the evil bitch isn't he?"

"Yeah, he is," the blond slayer stammered, "But the way he fights leaves craters and I have the feeling that this place will be ground zero for one!"

Both Summers girls ran for the exit.

xXx

Elsewhere in Sunnydale residents dove for cover as the city shook, an earthquake ripping through the city. Mayor Wilkins stared at the chaos, his face white as a sheet.

"Someone find out who is behind this!" he screamed as his home came down around him.

xXx

Sephiroth unsheathed Masamune to literally disarm Glory as she charged him, the severed limb hitting the ground while it was still twitching as he focused and accessed part of the master materia.

Light exploded from the multifaceted gem as he moved, sheathing the blade as the shaking intensified.

xXx

Buffy gasped as she yanked Dawn back as she saw a fall of nearly a mile and still growing just outside the doors.

"Now," she gasped as they both caught their balance and blinked, "How the hell do we get out of here?"

xXx

Giles was freaking out, one moment the earth was shaking as if it was water and the next a large building with all the earth under it was torn into the sky.

He had never seen anything like this and the raw magical energy was something else as it became visible in the air as sparks of purple.

"Oh dear," he muttered as he cleaned the dust from his glasses, hoping the cloud that was spreading wouldn't do any more damage.

xXx

Xander grabbed both Buffy and Dawn as he dove off the side, wings spreading in the rising sun as he felt the power of what he had done continue to grow.

Both girls screamed as they plunged earthwards.

xXx

Glory screamed as she saw motion above, her abilities allowing her to see the beast above as it spread out six wings and began to collect energy.

Her mind recognized it, a god who had bound himself to protect humans.

"Bahamut ZERO," she gasped as the energy released in a stream that consumed the chunk of earth in a millisecond.

The last thing Glory felt was her flesh disintigrating in the flash of light that followed.

xXx

Giles dove for cover as a piece of rock smashed through his car.

He glanced at it, recognizing what it was with a smile.

The watcher held the face of Acaltha, though his car was in ruins.

xXx

Xander touched ground, boots clattering on pavement as he took three steps to stop his momentum and reinforced the shields he put up to protect from falling wreckage. He felt something in the air give and then the world blasted outwards in a splash of light.

Then all turned an emerald green as his wings vanished, the power level being held down enough that they could be hidden.

Then he saw nothing as his tolerance for pain broke and he screamed, joining with the two he had saved in the process.

xXx

"Acaltha's destruction changed things more than we wished," said the first of the oracles.

"Who could have forseen that the creator would release that one into the world again," the other said, sounding dissapointed, "The sleeper walks the earth once more, though is not bound for the first time since the before the cities fall."

"The monster was not like anything we have seen before as well," the first one said, almost as an afterthought, "Glorificus knew it though, it was called Bahamut ZERO."

"And the other problems are that the Key is missing and that the slayer essence that while passed on," the second muttered, "It is sealed for the time being, no new slayers will be called if either fall."

"Then something must be done," the male one responded.

"Perhaps we should revisit our spell, and choose the more powerful of them to do our bidding."

xXx

Giles stared at the ruins of the shockwave that expanded outwards, leaving ruins in its wake to only stop a few feet away from him.

"Buffy," he whispered as he realized that she would have been inside the destruction.

He saw Willow and Kendra watching in morbid fascination at the wall of smoke that seemed to advance slowly and yet faster than he could move.

The dust enveloped them.

xXx

Xanders emerald eyes shone through the white light that surrounded him.

"Where am I," he said slowly as he reached out with his power, wings extending.

Two figures seemed to materialize before him, though he only recognized one of them to a point and the other felt familiar.

The one he recognized was the one who had given him the materia less than an hour earlier. The others were different, one of them he felt more than saw, a smile crossing his lips as he realized she was Gaia though it took him a moment to place her.

"First I guess I ought to explain a few things," the robed figure said slowly, "Starting with who I am."

"Yeah," Xander stammered.

"Well, with your connection to Gaia, and the link that lets you draw power from her, it connected you to her as something like an adopted son, now me, I'm a real kid of hers, and so is my darker sibling," the being said, "But I am known as Bahamut."

"You mean I used you to vaporize the hellbitch and psychovamp?"

"Yes, though there is a slight problem with the aftermath," the dragon said slowly, "Namely involving the two you were with when Acaltha was eliminated by the power of the attack."

"If they're dead, I'm gonna start using my resurection abilities no matter what requests have been made of me," he snapped, his power rising.

"Relax, they aren't dead," Bahamut said swiftly as both stiffened for a moment, "The problem is that Tiamat sort of beat us to the punch with them and kind of dumped them into the Multiverse and messed up the tracks, we know a greneral area where they could be and well, Gaia has some abilities but she needs avatars like yourself to actually effect the physical worlds in ways other than as nature, and I need a conscious link to the worlds, on your world, my link was to you through yours with Gaia, and the Materia allowed me to unleash my full power."

"I think I got most of that, so what do you need me for?"

"Well, you get to go find them, and well there is someone else you'll need help from first."

"Who and why?"

"Well, I'll answer that in reverse order, one is that Tiamat has to be dealt with before we have any hope of finding them and you need some help for that," the being said almost with a shrug, "And as for who, is something that I can't answer, you just get to mess around with a one shot spell to get her a new form, and you get to use your revive spell on those we designate."

"Joy, how will I know who I'm supposed to recruit?"

"I'll let you know, but anyway, she's not on the dimensions earth."

"What!" Sephiroth roared as the light flashed brighter for a second and his eyes flared at full intensity as he spread his wings.

He landed on metal in a crouch and drawing both blades with a flash as weapons were pointed at him from all directions. The only distinguishing object was a large ring of some odd material with symbols carved in a track.

"Fucking hell," he roared as he rose to his feet, seething in anger, "Not more military idiots!"