RWBY: The Mystical Merchant Fanfic

Deus, had gotten a mysterious text from 'The Almighty', and customised a game character for himself. Unfortunately, he was than inserted into a world he knew with hot girls, creatures of darkness, anchient evil, and mystical energy.

Now the only problem is.....why did he choose to be a merchant as his sub - class?
*Gender-Bending Warning*