NPCs composing that spawngroup :

an_ire_ghast (100%)

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

hateplaneb_4, range=96 (-4,-855,4)

a_forsaken_revenant (50%)
a_forsaken_revenant (50%)

hateplaneb_13, range=191 (13,-568,4)

a_loathing_lich (100%)

hateplaneb_14, range=135 (-123,-697,6)

a_greater_kiraikuei (100%)

hateplaneb_16, range=150 (-145,-710,5)

a_grim_abhorrent (100%)

hateplaneb_18, range=181 (-110,-612,5)

a_vicar_of_hate (100%)

hateplaneb_31, range=127 (116,-804,10)

a_haunted_chest (100%)

hateplaneb_37, range=190 (187,-763,8)

an_ire_ghast (100%)

hateplaneb_40, range=145 (27,-617,5)

a_cleric_of_hate (100%)

hateplaneb_41, range=78 (74,-744,4)

a_cleric_of_hate (100%)

hateplaneb_45, range=67 (42,-809,6)

a_spite_golem (100%)

hateplaneb_46, range=144 (65,-631,4)

a_forsaken_revenant (50%)
a_forsaken_revenant (50%)

hateplaneb_50, range=81 (50,-697,2)

an_ashenbone_drake (100%)

hateplaneb_58, range=176 (-179,-745,6)

a_vengeance_golem (100%)

hateplaneb_62, range=70 (56,-721,5)

a_cleric_of_hate (100%)

hateplaneb_70, range=183 (-185,-780,6)

a_greater_kiraikuei (100%)

hateplaneb_80, range=136 (-90,-864,4)

a_vicar_of_hate (100%)

hateplaneb_83, range=113 (-77,-673,5)

a_sinister_lich (100%)

hateplaneb_84, range=180 (-70,-591,6)

a_vengeance_golem (100%)

hateplaneb_86, range=194 (-66,-575,5)

a_kiraikuei (100%)

hateplaneb_88, range=189 (48,-576,6)

an_abhorrent (100%)
an_abhorrent (100%)

hateplaneb_99, range=97 (-92,-798,5)

a_forlorn_revenant (100%)

hateplaneb_130, range=110 (-51,-858,8)

a_vile_rat (100%)

hateplaneb_131, range=76 (-48,-821,10)

a_fury_ghast (100%)

hateplaneb_134, range=136 (122,-703,12)

a_scorn_banshee (100%)
a_scorn_banshee (100%)

hateplaneb_135, range=99 (47,-845,6)

a_kiraikuei (100%)

hateplaneb_136, range=197 (178,-838,5)

a_loathing_lich (100%)

hateplaneb186153, range=190 (187,-762,6)

#The_Deathrot_Knight (100%)

hateplaneb186165, range=185 (61,-585,6)

hateplaneb_54834, range=199 (-201,-737,6)

#Grim_Abhorrent_Kaltik (10%)
a_grim_abhorrent (90%)