Talk:Cassiopeia/@comment-3323227-20141027191014/@comment-3323227-20141031145045

Difference is mid lane is a shorter distance. You can effectively put 1 ward down and stay close to the warded side of the lane for easy escapes off to the side or retreats if the enemy jungler enters the vision range of your ward. Top lane you have to watch for river, jungle, and lane ganks.