Playing with throwing dagger shadow cascade it sometimes randomly bugs out and doesn’t throw any daggers. My character still spins around and it triggers shadow cascades from shadows. It seems it happens when standing over some kind of ground effect.
The one time I’ve been able to properly confirm this it was in a beacon echo. Standing inside the charging area the skill didn’t work, when I stepped outside it worked again.
I think I’ve had it happen with various other ground effects too though. For example a spinning bladestorm from umbral blades.
I thought it might be just a visual bug but even spinning through my whole mana pool I didn’t seem to get any hits in.
Screenshot of my shadow cascade tree: https://imgur.com/a/Stfpocp
I’ll try to get some more info if I run into it again.