NPCs composing that spawngroup :

a_sinister_lich (100%)

NPCs spawning around that spawngroup :
(Max range : 200)

hateplaneb_9, range=73 (-642,-816,6)

a_fury_ghast (100%)

hateplaneb_18, range=53 (-522,-845,5)

hateplaneb_19, range=125 (-495,-718,3)

a_phantom_chest (100%)

hateplaneb_55, range=165 (-489,-674,4)

a_hatebone_drake (100%)

hateplaneb_58, range=179 (-616,-646,12)

a_vengeance_golem (100%)

hateplaneb_63, range=194 (-697,-672,8)

a_vile_rat (100%)
a_vile_rat (100%)

hateplaneb_64, range=106 (-497,-741,16)

a_greater_kiraikuei (100%)

hateplaneb_66, range=168 (-673,-686,5)

a_forlorn_revenant (100%)

hateplaneb_79, range=138 (-672,-726,3)

a_phantom_chest (100%)

hateplaneb_81, range=20 (-549,-814,5)

#Mistress_A`Zara (20%)
a_forsaken_revenant (80%)

hateplaneb_89, range=45 (-610,-799,5)

a_vicar_of_hate (100%)

hateplaneb_90, range=86 (-566,-733,6)

a_grim_abhorrent (100%)

hateplaneb_91, range=128 (-661,-730,4)

a_sinister_lich (100%)
a_sinister_lich (100%)

hateplaneb_96, range=142 (-705,-777,5)

hateplaneb_97, range=177 (-746,-815,9)

a_forlorn_revenant (100%)
a_forlorn_revenant (100%)

hateplaneb_111, range=157 (-725,-801,10)

a_fury_ghast (100%)
a_fury_ghast (100%)

hateplaneb_123, range=38 (-566,-857,5)

a_grim_abhorrent (100%)

hateplaneb_125, range=62 (-610,-866,1)

a_hatebone_drake (100%)

hateplaneb_127, range=139 (-459,-733,6)

a_malevolent_banshee (100%)