Billy not stunned by Singularity after using Rising Ram/Bashdown

[CrumbsInBed]

As the title says, I used Rising Ram that brought the Dynamo up, then used Bashdown at what looks like the same time as Singularity. I took damage and was slowed from it, but I did not get stunned and pulled in.
Match ID: 47370566
My recording says it was at 33:34, the replay says it's at 34:04

 

[steventheeven3]

That's your Magician teammate using a stolen Dynamo Ult

 

[CrumbsInBed]

That's your Magician teammate using a stolen Dynamo Ult

ah that makes sense, I didn't understand why i was being slowed/damaged at the same time though