Neltharion's corruption causes the priest's faith to falter, forcing them to erupt in a Desperate Scream every 6 sec sec. for 30 sec, inflicting 7 Shadow damage every 1 sec sec. to players and creatures with in 8 yards, and causing them to run in fear for 6 sec. The priest gains an application of Shadow Word: Perfidy for every target hit, up to a max of 5.