Magus (The Steampunk Adventures of Sorcerer's Apprentices)

Magus are an offshot of human species whom has evolved to the point that they possesses superhuman physiology for an unknown reason. They also learn and study magic like humans, albeit they could learn faster and became a dangerous opponent, even with basic spells.

No one knows how many their population now, but it was suggested that majority of magus are located in Europe, especially in Stotlandia, and their number presumed at least first quarter of mankind's population.