You Call This the Mastermind?

Civilizations change and eras restart. Returning to the age of steel and steam, the world is filled with chaos, madness, distortion and evil. Among them, a group of wizards called the Truth Cultists did even more bad things. They sacrificed to evil gods, besieged the pope, assassinated the emperor, and even started the First World War... All of this originally had nothing to do with the time traveler Melen. When the world was in turmoil, he was the one squatting aside to eat and watch the show. Until one day, this group of people came to him and insisted on recognizing him as their leader. They also said that he was the son of destiny and that everything they did before was because of following his instructions...