During the battle of the bands the Dazzlings were about to win against the mane six, friendship was not enough to beat them, the Dazzlings had beat the giant alicorn and in the process it sent magic to the different dimensions to find an legendary warrior or warriors.
The magic had brought forth a warrior that to most people he was known as the Guardian. This uncanny warrior was brought forth to punish the three Dazzlings for what they had done.
Now stuck in a world who he could only dream about beginning real is now, true.
Nobody doesn't want to be alone forever.
Time to find his mates.