During the devastation caused by The Cracking, the magical surges permanently altered several geographic features of the lands. Largest and most prominent of them are known as "Crack Scars" or simply "Scars", and they come in several shapes and sizes, many times changed by the magical blast that once went through.
The scars appear in multiple forms, most common being chains of mountains and hills, or canyons, deep trenches and irregularities near coastal areas. The areas are not always magical (though they can), but their creation to current form was, and sometimes this is blatantly obvious to see. These areas might have been permanently altered in several ways, few examples of this are:
It is commonly believed that the scars were born according to a specific set of Ley Lines, that form an arcane current across the whole world. Some marks follow the bottom of the sea, others are visible on the surface maps.