Murder at Castle Nathria Cards List & Guide
Korrak the Bloodrager has some bug, his Deathrattle is not working on arenas, how do we report it to devs?
Do you have an example or a replay of what happened? Are you sure it wasn't honorkilled?
If you think this is really a bug and not a honorable kill you missed, you can report this on the US bug forum.
I've tried a few times, he is just dieing (non hon. kill) and DR is not triggering