Stealth Spidy is broken?

alin_panduru

Can someone please confirm me if there is a problem with Stealth Spidy ability to anulate unstoppable??
I don't know why he is not working at the campion in 6.2. I tried last evening at thing in abys and was working.
Now I spend a lot of units in 6.2 and is not working.
Can someone tell me if I have to do something alse to apply the slow?

PS. I can't upload the videos

Thx.

alin_panduru

Can't add the video