Gameplay Sion Bug

Sion has been bugging out recently, I cant explain why seeing how its completely random but this issue has happend to me quiet a bit. About every other game actually. For some reason his Q and R just dont work. Not immediately, but after some time. Not because of a silence or any skill stopping ability, more like it just doesn't register at a certain point. I have tried logging out of games and back in, no luck. Iv tried the whole Alt-Esc thing, also no luck. I cannot for the life of me figure out why this is happening. It just decided iv used enough of his awesomeness I suppose. W and E work great tho... any feedback would be great -DimeBag

an example of the bug I was playing aram last night (pretty swell I might add) and after about 25 minutes in I tried to use my Q for a knock up. nothing happened, I see fiddles on the other team so I think, oh i got silenced, let me try again. Nothing. I walk back and spam Q over and over and over. nothing. In the middle of trying to live and figure this out I pop my W for a shield. It worked just fine! I almost die tho so I try to R/ Ult away from the enemies. nothing.... Im spamming it. R,R,R,R,R Dammit! nothing. I die and tell my team about whats happening. Everyone else has no issues, not even a little bit of lag. So at the base away from any silence or stun I try again to use my Q. nothing. Same with R. At this point I log out and back in. Still no response. I think maybe my Q and W button aren't working because my keyboard is messed up somehow so I go to chat and type Q. Its working just fine in chat window!

I still haven't figured out why this happens. It has happened to me on several different game modes, bots, pvp and even single player custom games. I will try to upload video of the instance so the team can break down whats happening and what went wrong and when it happened. Thanks again -Dimebag