Author Note: Ta, freaking, da I made another Danny PhantomXJustice League crossover- and no it's not related to my other one(s).

~CWA

Title: Legendary

Summary: The Justice League hears rumors of a powerful being called Phantom and decide that they need to check it out…but are the rumors true? Is Phantom as powerful as they say? Can he help them with their issue? Will they even be able to find him? Or…if they do find him…will he turn them away? Is the legend of Phantom…real?
Genre: Adventure/Mystery/Action

Rating: T

Disclaimer: I do not own nor claim Danny Phantom. I do not own nor claim Justice League.

Notes: Slight AU- no PP, Danny's older and, basically, after something happened he disappeared long enough for his name, the stories about him, everything…to become…a legend.

Prologue:

Third Person (Justice League):

Everyone was unaware of the danger coming. Humans, the mere common people of the world- even the world leaders- were not aware of the future and what would come of it. The Justice League- every single hero on Earth - couldn't have prepared for it. Every single villain, every criminal, every evil mastermind wouldn't expect for their worst nightmare to become true.

No one knew about it. The space pod headed straight to Earth- a droid from another dimension. No one knew about the droid since it was silent, not leaving a single trace that even Batman wouldn't be able to find unless he knew about it- too bad he didn't. No one knew about the droid that was blending in with them- taking the form of a human, making a life for itself….observing. No one knew about the way it observed the fights of the Justice League- taking notes of all their weakness and strengths, the way they think, the way they fight. No one knew about the way it observed the villains- taking notes of the way the insane fought and thought.

It was sent to do just that- observe. Nevertheless, its creators were smart. They equipped it with armor meant to face nearly anything- guns to shot through anything. However, they made one mistake. They gave the droid power to signal their armies in when needed…and after observing the villains, trying to figure out their minds-it became corrupt.

It took over its own dimension first- taking out all the ways for its once masters to leave and go for help. Holding everyone hostage and having control of the armies, the droid demanded a higher name- now legally a general by the council of its home, it was no longer a simple droid. It had more power- and more armies. It trapped them all- everyone on its home. There was no way for any of them to leave. However, it could leave and so could its armies.

Then, it took form. The droid- pardon, the general, took the form of a small little girl- as to take people from surprise. It knew- from watching the behavior of the people- that everyone took pity if they were to find a lost little girl in need of help. However, she was smart. She learned people favored blonde haired and blue eyed girls- so she took that form. She learned it was common to wear pink at the age took- five years old- so she wore a pink dress. It was demeaning to her- as a general, but she was a genius. She would never show her face when all these attacks happened on the Earth- and no one could stop her.

The Justice League, and all the villains, were more surprised than the humans at all the attacks. Robotic aliens filled the air, appearing from seemingly nowhere. They were large and looked nearly like things from a child's nightmare. Some looked like dragons, worms, snakes. Other looked like demons- completed with horns. Some looked like things from a little kid's dream- fairy-like things, but would transform into something horrid once you are close. It seemed like they were made by a child, an evil little child.

Which is why- at first they suspected perhaps it was child with bad nightmares but also had some type of mental power that projected their nightmares into reality. If only that was the case.

Now….now everyone was in danger…of dying. Because that general, the one that no one has seen, wanted Earth to become its new, own planet. The Justice League couldn't stop them…the only one who might be able to save them…was only a myth, a rumor, a legend by the name….Phantom…