The strongest class guide of the ultimate class

Twelve time and space, such a legend has been circulating since ancient times.
Thousands of years ago, the Demon World invaded the Twelve Time and Space, and the Twelve Time and Space were defeated and about to fall...
A black-haired, purple-eyed boy was born. When the Twelve Time and Space was in danger, one person and one sword fought back the millions of troops in the Demon World, killing the Demon World with fear, and saved the fate of the Twelve Time and Space by himself.
But when peace was restored in the [-]th time and space, the young man disappeared, leaving only his long sword, which was constantly flashing with purple thunder, guarding the edge of the demon world, and his countless legendary experiences...
Thousands of years later, when the demon world could no longer hold back and invaded gold, silver, and iron time and space...
The long sword that was guarding the edge of the demon world, which had been silent for thousands of years, let out a faint sound of sword again...
The boy who made the demon world terrified has returned with a brand new identity to save the Twelve Time and Space!

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