Nanoha Takamachi flew over a devastated city, piled with debris. Suddenly, an AT4 rocket flew at her. Nanoha swerved out of the way just in time to avoid the projectile.
Homura saw that her first rocket missed the "witch" that flew above her and fired a second rocket and then a third.
"Oval Protection", Nanoha's intelligent magical device, "Raising Heart", said, as a sphere of light appeared around Nanoha. Several rockets impacted on the shield, The mass-based weapons depleting the shield quickly, knocking Nanoha away in the blast.
Nanoha managed get back into flight just before she crashed into a skyscraper. Nanoha flew up into the air as Raising Heart said "Axel Shooter", and fired off twelve balls of energy, flying towards Homura.
Homura ran along an elevated highway at superhuman speeds, dodging six of the projectiles, blowing up cars and chunks of freeway. But the others kept following her. Homura jumped on top of the metal support beams of a bridge and got out her Desert Eagle. Homura shot down the other six energy balls with well-aimed shots.
Homura turned to Nanoha to see that she was charging for another attack. Raising Heart spoke again: "Divine Buster".
Homura ran across the bridge, making to the other side as the beam hit the central span, sending it falling into the sea.
Nanoha flew into position near a stadium in the city. Homura smiled darkly as she got out a C4 detonator and pressed the button. The stadium, loaded with C4, exploded with the force of a large fuel-air bomb, taking out several city blocks.
Fortunately for Nanoha, she was not directly in the blast radius, and was only thrown around a bit by the blast. Nanoha charged up for her Starlight Breaker attack, a ball of energy appeared around Raising Heart, surrounded by a glowing ring. The ball of energy sent out numerous "laser beams", blasting away whole skyscrapers, before the main beam fired, flying literally meters over Homura's head, hitting what had been the central business district of the abandoned city. The beam exploded with the force of a small nuclear warhead, wiping out the downtown area.
Homura summoned two Type-88 anti-ship missile batteries and ordered them to fire without touching the controls. A swarm of missiles flew at Nanoha. He shield strained under the impact. If she was any less powerful a mage, this would have killed her.
Nanoha made one final attack on Homura, getting in close and using Raising Heart as a melee weapon. Homura drew her katana. The two melee weapons met, each one knocking the other out of the user's hand. Homura ran at Nanoha, who fired a weak beam from her finger, but missed, and was forced to the ground by Homura, who pointed her Desert Eagle in her face.
"Why?", Nanoha asked, "Why are you doing this?"
"What?", Homura asked, "You can talk, you're not a witch, are you?"
"What are you talking about?", Nanoha asked.
Homura explained that she was a magical girl, a girl who was given magical powers and one wish by a being known as Kyuubee, in exchanged for being forced to fight monsters known as "witches"... and for allowing Kyuubee to harvest the energy from their inevitable demise. She stated that she tried to kill Kyuubee twice, but each time another Kyuubee with the same memories and personality of the original came, and told her "he has many bodies".
"I am Nanoha Takamachi, Time Space Administration Bureau", Nanoha said, "I think know what this Kyuubee is doing to create his extra bodies."
Two weeks later, a cloning facility on an alien planet.'
Nanoha fired off countless blasts of energy at hundreds of "Kyuubees" that came at them. The creatures were only about the size of a house cat, but, as it turned out, they could fire powerful beam attacks. Homura helped Nanoha cut them down with an M249 SAW she had taken out of her "hammerspace".
Finally, they made it to the center of the cloning facility. Homura got out an AT4 and fired off a rocket at the device making all the clones, blowing them apart, and took out the teleporter they used to get to Earth, for good measure.
Nanoha then grabbed Homura and blew a hole through the roof and flew upward as the factory exploded below them. Nanoha then took Homura to a TSAB spacecraft hovering in atmosphere.