MTL - Star Martial God Technique - Chapter 4 Chiling Crystal

Shao Di Yu, an orphan, is adopted as a result of of a murder case involving the deaths of his entire family. Because of some painful experiences, he refuses to speak. However, he has sharp insight; moreover, he becomes under the care of a pair of twin brothers in the police force, who also have a child currently in university. Yu Yin possesses yin-yang eyes, which allow him to see things ordinary people cannot. The two brothers happen to complement each other, and together they investigate various inconceivable incidents.

[The 3000th Descent of Mystery is about to begin.][This is your only chance to redeem yourself.]When the whole world was in danger, Wang Teng activated a unique talent.It was the Rank SSS talent - Inequivalent Exchange!He was not purchasing things for free, but the exchange was not equivalent.[Exchange successfully. You used half a bowl of cup noodles. With your Rank SSS talent, you may retrieve an unlimited supply of cup noodles.][Exchange successfully. You used a bottle of Sad Breeze wine to exchange for the Star Shifting Method.]…From then on, Wang Teng activated a new exchange system.

The top student from the Agricultural University, Qiao Mu, was digging in the experimental field when her hoe struck through to the godforsaken Tupo Village.No money, no rice, no tall, rich, and handsome guy, the aunts and the older female cousins pecked at her every day, making her meals less than satisfying with constant bread rolls, leaving her so hungry she felt faint.Luckily, the Heavens took pity and rewarded her with a tall and handsome man, who was enthusiastic and bold. His debut move was to climb straight into bed, sparking rampant gossip in the village: that Qiao girl, the third daughter, is nothing but trouble at such a young age, shamelessly bringing some wild man into her boudoir to fool around – absolutely shameless!Muniang looked to the sky and bellowed, “Alpacas! You think I'm Hello Kitty when I don't show my claws?”Make a fortune, become rich, fight off the scum, raise a husband – life became increasingly lush.

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?