Wraith Mori Sounds broken (strikes are silent)

PlaysByShady

Platform: PC

Steps to reproduce: Mori using Wraith (I used an Ebony Mori offering)

How often: Every time in the same one match I tried in

Links: https://www.youtube.com/watch?v=Dq0xuMsSw9U#t=4m45s and https://www.youtube.com/watch?v=Dq0xuMsSw9U#t=11m35s (same match, just different time stamps)