"I fail to see the negative side of such an attribute."
Well not her mouth is broken... She is just so busted her mouth opened permanently lol :D but her entire kit is super busted. Just like Yasuo :) But there are 3 things that connect Yasuo and Zoe. They both will be cancerous, they both will be stupidly broken and they both are designed by the same person. But they both can be killed by Katarina or other burster :)
Wait, Zoe is a CertainlyT champion? Oh fuck my life.