The Spirited Daughter-in-law and the Mountain Man - Chapter 10 - Sold you for 10

Strength: 1Agility: 1Stamina: 1Magic Power: 20Luck: 1All my stats are dumped into Magic Power.I can only use one spell.There’s no character as broken as this, and yet, that’s me.And somehow, I got mistaken for a once-in-a-lifetime genius.

Yesterday, she was a career woman struggling in the corporate world, but in the blink of an eye, she had become the legitimate granddaughter of Duke An's Mansion, the first wife of the Imperial Top Scholar...

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?