15 Shadow damage inflicted every X sec.
Creates a zone of Anguish on expiration.
N'Zoth taps into players' minds and evokes their darkest thoughts, inflicting 50 Shadow damage every X sec for 8 sec.
Upon expiration, Evoke Anguish leaves behind a pool of Anguish, which grows briefly after spawning.
Every time N'Zoth the Corruptor casts Evoke Anguish, all other pools of Anguish grow in size.
