Cassiopeia Grounding

At max rank with max cdr, grounding is 5s long on less than a 10s cooldown. Pretty much impossible to dodge as it's a LANE wide. About 90% of champs in the game have a movespeed buff, dash, blink, or any sort of mobility. So why is Cass allowed to hardcounter 90% of champs in the game and make them unusable for HALF the entire game?
Report as:
Offensive Spam Harassment Incorrect Board