In the game ID#5106681286 in minute 55:00 the freezing field starts and after a second it deals no damage, the ice stops falling, but Crystal Maiden keeps animating as if she was casting the spell few seconds.
I lost already many games because of this bug, standing there casting "NOTHING" and all other heroes hitting and killing me. VALVE, I hope you can return my mmr lost and fix soon this bug, I will tell everyone about this bug, you no one play again with CM, till valve fix this bug.