Fiddlesticks Q (Fear) gets canceled by Master Yi Q?
I'm a returning noob player that just got to silver, but I'm currently maining fiddlesticks and I'm wondering why fiddlesticks Q (Fear) gets canceled by so many different abilities? Few games ago I realised if I misstime my fear onto master Yi when he is using Q it just gets canceled and my spell goes on cooldown. Happens with other champions too but I can't remember specifically. Is this intended?
Also funny that when Nocturne uses ult all my abilities fear the enemy team since they are in the dark.