NPCs composing that spawngroup :

a_forlorn_revenant (100%)

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

hateplaneb_16, range=193 (-145,-710,5)

a_grim_abhorrent (100%)
a_grim_abhorrent (100%)

hateplaneb_17, range=101 (-255,-682,5)

a_forlorn_revenant (100%)

hateplaneb_18, range=185 (-490,-643,4)

a_vicar_of_hate (100%)

hateplaneb_19, range=131 (-207,-713,3)

hateplaneb_20, range=86 (-403,-690,5)

a_sinister_lich (100%)

hateplaneb_55, range=168 (-489,-674,4)

a_hatebone_drake (100%)

hateplaneb_57, range=32 (-335,-776,22)

a_hatebone_drake (100%)

hateplaneb_58, range=156 (-179,-745,6)

a_vengeance_golem (100%)
a_vengeance_golem (100%)

hateplaneb_63, range=167 (-496,-698,8)

a_vile_rat (100%)

hateplaneb_64, range=162 (-497,-741,16)

a_greater_kiraikuei (100%)

hateplaneb_70, range=154 (-185,-780,6)

a_greater_kiraikuei (100%)
a_greater_kiraikuei (100%)

hateplaneb_79, range=131 (-264,-633,6)

a_phantom_chest (100%)

hateplaneb_80, range=169 (-212,-860,4)

a_vicar_of_hate (100%)

hateplaneb_84, range=106 (-229,-754,6)

a_vengeance_golem (100%)

hateplaneb_91, range=155 (-489,-762,15)

a_sinister_lich (100%)

hateplaneb_96, range=71 (-405,-758,15)

a_forlorn_revenant (100%)

hateplaneb_97, range=105 (-438,-719,5)

a_forlorn_revenant (100%)

hateplaneb_99, range=66 (-335,-810,25)

a_forlorn_revenant (100%)

hateplaneb_111, range=127 (-451,-690,5)

a_fury_ghast (100%)

hateplaneb_118, range=133 (-223,-671,15)

a_vicar_of_hate (100%)

hateplaneb_127, range=124 (-459,-733,6)

a_malevolent_banshee (100%)
a_malevolent_banshee (100%)

hateplaneb_129, range=119 (-235,-810,6)

a_malevolent_banshee (100%)

hateplaneb_54834, range=134 (-201,-737,6)

#Grim_Abhorrent_Kaltik (10%)
a_grim_abhorrent (90%)