Global Descent: Heaven's Executioner - Chapter 58:

Transmigrated with a player panel and a Synthesis Cube into the game world he played in his previous life, Sunan became a noble whose title was taken away.At this time, the continent is still an Elemental Desert, and the powerful Wizards abandoned this world a thousand years ago to explore the multiverse. Wizards gradually became an elusive legend.Only Sunan knows that a thousand years later, with the revival of elements and the return of Wizards, the continent is about to usher in a prosperous Wizard era.What he needs to do is simple.Work hard to cultivate and become a Wizard, and live until the arrival of the Wizard era!“Lack of resources?”“No problem, I'll just synthesize them myself.”Sunan opened the Synthesis Cube.

The daughter of a duke, the stuttering Maximilian, married a knight of lowly status at her father’s coercion.

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

Outer Sect Disciple Chen Yu, assimilates within his body a fiendgod heart.

The heart, is the backbone of life, the human body’s fatal vital point. And it can be said that Chen Yu’s heart is actually his strongest defense point, and permits him to overtake demonic beasts, or divine beasts unlimited potential.

Henceforth, he steps onto the stage and surges forth on a magnificent scale, in a heart-rending mysterious journey.

Talented as a cloud, an unparalleled supreme talent.

10,000 races glorious, cross boundary battles.

Only my heart, eternal!

- Description from Novelupdates