I believe this may be related to being swapped through a paradox wall? I also successfully counterspelled something by I can't tell if that was a damage tick from the flamedash or if it's also related to the ult. Uploading a recording I made using steam after this happened (which looks identical to the replay).
Match ID: 67581404
Time: 25:48
Match ID: 67581404
Time: 25:48
