Talk:Sivir/@comment-7460908-20141101012234/@comment-3974211-20141115114725

It's not a bug. Mundo still gets a health refund if you block his Cleaver. The effect happens when the skill lands, not if it deal damages. Admittedly, I think all of them should behave in the sense that blocking the ability doesn't count as landing (Leona is an example of where this is annoying) - but it's not a bug.

Zilean's was never a bug either - it was just undesirable. It was behaving exactly as intended, but they changed it in response to players. Vladimir's ultimate got changed too, I believe, as it previously behaved like Zilean's bomb (delayed damage didn't count as a second activation - it's just a damage over time that does 3, 2, 1, LOTS). People really over-use/misunderstand what a bug is.

Riven's might be a bug, or it might just be that Riot felt players would value blocking the CC more than random instantly against a champion that is constantly using abilities. For a 1.5 second duration shield it would be nice if this was made known, however.