Things that annoy you when you're playing certain champs
This isn't about toxicity, but rather gameplay elements you find annoying when you play a certain champ.
Caitlyn saying "Boom headshot" every time she hits something with her passive proc'd.
Soldiers only moving an inch at an enemy when using Conquering Sands.
Darius' Decimate delay
Petrifying Gaze only working against enemies facing you and everything about Aspect of the Serpent. I really miss Cass' old passive.
Just about everything can interrupt Dragon's Descent.
Dark Flight's delay time
Being so gankable