Below are the various sets that a Necromancer should aim for once they have reached level 80. The most liked set for necro, until you reach t4, is the Brittle Blade set, as this adds the most crit rating. Next is the Scarlet Circle Set. The others- The Scholars of Cheng Ho, The Wolves of the Steppes, and the Shadows of Jade are much more rarely seen, but are not unused. The sets are in general order of greatness
T1:
T2:
T3:
T3.5:
SoJ Set:
SoCH Set:
Wots Set:
SC Set:
BB Set:
T4:
T5:
T6: