Alien: I Am a Warlock

The continent of Tara was originally an ordinary world, but one day a young man accidentally ate a herb and became a wizard and established a powerful wizard empire. Thousands of years later, a young man came through time with a panel and became the savior of the world. What happened over the past few thousand years? Why do demons target this world? Why did a powerful empire disappear overnight? All this will be revealed soon, so stay tuned!