MTL - Pokemon Dark Giant - Chapter 4 : Deathmatch

The year 1847

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

After an explosion, You XiaoMo finds that he is now a probationary disciple of the TianXin sect. However, he is one with dubious potential, so just when he starts to adapt to his new circumstances, he receives a piece of bad news. If he is unable to produce the required result after half a year to become an official disciple of the TianXin sect, he would be driven out of the sect.

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?