The felhunters still devoured my enslave but only like the last one (that was still alive). Maybe a fear macro for the pit lord would be useful.
Agro the 3 felhunters asap and kill them asap. turn their back to the pit lord also. kanrethad should be attacking your pit lord btw. and you should have no dots on you, and available cds or 3 embers if destro