The chosen one

Sai an ordinary teenager walks home hyperactive waiting to play a new game in his laptop.Sunndenly he recieves a nightmare and he hears a voice and an old man says he was the chosen one and he is the Avatar and he must attain his destiny,The old man also gives him an information of a device called the ultimatrix and it is nearby.Nightmare wears of and he becomes tired,with the remaining strength he returns home and sleeps.Next morning he goes to school,during his P.T period while he was on his way to the ground he recieves a nightmare but this time no voices but visions.Visions of demons,battle.The vision wears of again but this time Sai is not tired.He suddenly hears an explosion.Sai runs to the ground to see what it was,and became shocked to see an alien octopus-faced human.It was Vilgax.He shouts asking for the Omnitrix but no one replies.Then an dinosaur jumps from top of the building,it was humangasaur.Some one has the Ultimatrix.Then pads the Ultimatrix button and becomes Ultimate Humangasaur and fights vilgax.After a devastating fight both were down and the ultimatrix looses power and powers down to reveal that the weilder of the ultimatrix is Albedo.Sai seeing that both are down walks closer the Ultimatrix detaches from Albedo's hands and attaches to Sai's hands.Sai hears the voice of an old man again and he again says that he was the chosen one.Sai tampers with the Ultimatrix and turns into XLR8.Vilgax gets up and runs towards Sai thinking he was Ultimate Humangasaur.XLR8 runs around so fast and knocks vilgax with a high momentum.Vilgax murmurs that Sai cant defeat him.He gets up and drinks a portion and becomes huge.Sai turns into Waybig and easily defeats Vilgax and throws him into space.When he turns normal he looks at the crater formed when both Vilgax and Albedo fought and finds out that Albedo has disappeared.