An important thing to note when going up against all classes (with a couple of exceptions) is to fear immediately. With the common use of PvP fear trinkets, making your opponent use their cooldown on the trinket ASAP is vital. For information specific to Shadow Priests, see the Shadow Priest PvP Guide. Part of this page seems to be based on largely out of date information as it does not factor in PvP/Arena gear. Please note that there are many other circumstances where popping Psychic Scream is impractical. A partial list includes: 6. Fear Warded players.