Uh, no, that's what happens when he DOESN'T miss his ult.
It looks like he hit 
NOXUUUUUUUUUUUUUUUUUU-
DEMACIAAAAAAAAAAAAAAAA-
UUUUUUUUUUUUUUUUUUUUU-
AAAAAAAAAAAAAAAAAAAAAAA-
UUUUUUUUUUUUUUUUUUUU-
AAAAAAAAAAAAAAAAAAAAAA-
An enemy has been slain
An ally has been slain
Me everytime i try to get a sneaky gank on botlane :P
Whole teamfight is a trainwreck. I get it.
That's why I tell my team every time I play Sion that my ult is purely for "Zoning" purposes.
Holy crap... Is that real or edited/planned?
When you hear sion scream just run and pray he doesn't hit you with his ult.
sion can miss an ult?
I wish it was that epic.