Ben 10 - Generator Rex: Destroyer of Worlds

In this sequel to Ben 10/Generator Rex: Heroes United, in Rex's Universe, a new threat has risen. As Rex battles an Evo, the EVO releases a portal to Ben's Universe and even worse... the Prision of the Destroyer, Graon. Graon is the Destroyer of Worlds. As Graon attacks Generator Rex's universe, and no one ... even Rex can stop it, he calls on his only friend from the other universe, Ben 10 himself. It will take all of his Xobots, Aliens, and his allies to stop Graon and his minion of Evos and Aliens to save two universes.

Plot
The Crossover starts within Ben's universe. Chaos and destruction has

The Graon attacks Rex, who is forced to retreat. As he becomes bigger, the city is destroyed. Holiday tries to help, EVOS attack the cities and more Earthquakes occur. Suddenly, Ben arrives in the universe. He recongizes Rex and helps out. Graon destroys New York City of that universe. As the portal closes, Paradox, Gwen, Kevin, and Azumth also return.

As Rex explains to everyone his universe and what happened with Graon, Paradox and Azumth have a secret converstation. Azmuth reveals this may be the End of the World. He tells everyone the story of Graon.

Years ago... around 7988 B.C, there was a race of skeleton like Aliens called the Twilton. They served the king of the shadows. His son, was Graon. Graon was a simple boy who was different from the rest. In time, he decided to leave the Twilton homeworld, also home to the Loboans ( the werewolf aliens ) and a similar Vampire like alien race. Graon grew in size until he accidently destroyed a star. The star became a black hole. Surely, he would die, but suddenly, he absorbed the black Hole and a sudden pure evil was born in a child who had been so pure of the light. Graon started destroying planet and planet. It was not until a brave Celestialsapien ( Alien X ) defeated and imprisoned the monster. However, a part escaped into another universe... Rex's Universe. Apparently, he took the form of many mythical monsters until the Nanite Event. Then, he became a powerful EVO. Once Graon knew mankind could do such a thing, he supposly began his plan. And now, he's back.... whole at last... ready to return to power and destroy everything.

&nbsp Now, across the planet, Graon is gathering followers. In the middle of an alley, the Pack thumb|300px|right|As Graon rises in strength, natural disasters plague the planet. arrives and declares loyality to Graon. His growing strength is also causing natural disasters to happen. In a far away Island, a volcano blows up, an earthquake hits San Francisco, a twister destroys Tokyo, and the clouds are preventing the sun to grow plants. As famine and hunger begins... Rex and Ben travel to find Graon. However, with the help of Bobo and Holdiay, they find Graon, whose above St. Louis. Suddenly, the Pack attacks them on the road. Beowolf battles Ben, who transforms into Ultimate Swampfire. Beowolf reveals he serves Graon. Graon goes above them and attacks Ben. Gwen and Kevin are captured by the other members of the Pack. Azumuth and Paradox are forced to leave that universe and head towards Ben's Universe to warn the others and get help.

Ben wakes up and finds he was captured by Graon. He can't use any Xobots or Aliens. Graon tempts Ben to join him, but when Ben says no, he is toturted. As Graon seeks to head to the U.N summit in D.C and finish off this world, Grandpa Max, Julie, Ship, and a few plumbers arrive and free them. As they head there, Paradox pops by and reveals a dark truth: Some of the EVOs arrived in Bellwood in Ben's Universe and as Azumuth was getting help, he was killed. However, before he died, he gave Paradox a bottle that Ben should have. But only open the bottle when it was the darkest hour. Paradox is forced to leave and get more help, but warns Ben that should the end come, Use Alien X. It will work for him at the moment of Death.

They arrrive at D.C where they are too late. They start to fight Graon and the others.

Characters
===Main Characters  ===


 * Ben Tennyson[1]


 * Rex Salazar


 * Gwen Tennyson


 * Kevin Levin


 * Bobo Haha


 * Rebecca Holiday


 * Julie Yamamoto


 * Azmuth


 * Paradox


 * The Plumbers


 * Ship 


 * Max Tennyson
 * The Pack!

Villians
Graon - Destroyer of Worlds, Alien of Darkness, Evo of Evos. Living for over 10,000 years.

Aliens

 * Way Big
 * Jetray
 * Fasttrack
 * Bunmummy
 * Four Arms

Trivia

 * This takes place between Season 1 and Season 2 of Ben 10 Xobot Revolution.
 * The Ending leaves a chance for Graon to return.
 * Graon does return in Season 4 of Ben 10: Xobot Revolution
 * Twilton is based off of Twilight ( which I'm not a fan of )
 * This is the second crossover between Ben and Rex ( counting Heroes united 1st, this the 2nd )
 * 11111 111111 11111 11111 1111