Reportedly, it only occurs when Cloak of Mist talent is also taken.
Its not a bug its a very nice new talent combo, stop report features as bugs.
I get that you enjoy the power trip, but sadly this is almost certainly a bug.
Most definitely a bug. It straight up deletes horde considering aggro is constantly broken by backstab, and 100% crit backstabs is an instakill with shade’s passive. It straight up deletes pat for m1 spamming and holding w.