game bug hecarim vs shyvana

i just played a game where i was heca and met an shyvana. everytime i ulted in on shyvanas team (included shyvana) shyvana didnt get any effect on it all in my team saw that atleast 3 times shyvana never got the effect of the ult and she didnt have any items to dodgee my ult . wasnt rly a fair game if u ask me. pls do something about it!