fantasy realm large-scale map in style of Gerard Mercator, ink and pen doodle style of drawing, mix of different regions like lakes, beaches, forests, roads, swamps, deserts and meadows, old map, multiple routes visible, style of Gerard Mercator, daniels maps style, Filippo vanzo style, Francesca baerald style, trending on artstation, intricate details, highly detailed, masterpiece, vivid colors, highly detailed, drawing, pen and ink, trending on artstation, concept art