I am a Gao Fushuai Villain - Chapter 403:

Demons, devils, ghosts and monsters

Plunge the mortals weak in horrors;

Arms of gods and blades of devils,

Shroud the world in untold evils.

Lu Sheng was an ordinary civil servant in the modern world. After waking from a drunken stupor one day, he found himself trapped in a dangerous world where demons, ghosts and supernatural monsters terrorize the land.

In this world, ordinary mortals live in dark fear and helplessness, without any means to fight against the supernatural.

As Lu Sheng struggles desperately for survival, he stumbles upon a game mod he had designed for a mobile phone app in his previous life. It unexpectedly becomes his special ability, which enables him to instantly level up any skill he learns, albeit at a cost.

Thus, Lu Sheng begins his journey, striving for power beyond the reach of a mortal as he treads the way of the Devil…

- Description from Novelupdates

The countries of Mephius and Garbera have been waging a war for ten years and are trying to put an end to this long fight through a political marriage between the two royal families. Orba, who was driven from his home because of the war and was forced to become a gladiator, looks exactly like the crown prince of Mephius, and it has been decided he will be substituting him during the wedding ceremony. On the other hand, Vileena, the princess of Garbera, has secretly decided to ensnare the crown prince for her own country’s interests.

His mother kidnapped by the Ice God Pagoda at a young age, Nian Bing grew up travelling with his father, avoiding pursuit. One fateful day, he was forever separated from both his parents and inherited two immortal treasures from them, the Ice and Snow Goddess’ Stone and the Flame God’s stone, allowing him to use ice and fire magic in harmony, a feat unheard of. Taken in by a former chef of legends, once known as the Demon Chef, he creates legendary cuisine while walking the path of vengeance!

- Description from Novelupdates

One god, one faith, one world, one mage… I am the only mage in the world.

- Description from Ptwxz (translated)