NPCs composing that spawngroup :

#The_Fabled_Skeletal_Berserker (0%)

a_drolvarg_sentry (15%)

a_drolvarg_sentry (20%)

skeletal_berserker (5%)

skeletal_warlord (5%)

spectral_caller (20%)

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

karnor_3, range=95 (102,-571,38)

karnor_4, range=107 (104,-592,38)

karnor_5, range=72 (54,-590,38)

karnor_8, range=118 (102,-611,38)

karnor_10, range=93 (56,-612,38)

karnor_14, range=52 (67,-546,40)

caller_of_Sathir (20%)
spectral_caller (80%)

karnor_16, range=196 (126,-691,31)

karnor_21, range=81 (84,-575,19)

karnor_22, range=133 (105,-629,22)

karnor_23, range=58 (55,-573,19)

karnor_24, range=195 (181,-635,31)

karnor_25, range=160 (137,-635,31)

karnor_27, range=140 (-82,-428,-49)

karnor_31, range=130 (-82,-443,3)

karnor_32, range=103 (119,-503,17)

karnor_33, range=117 (126,-482,17)

karnor_35, range=197 (175,-408,3)

karnor_36, range=43 (48,-496,3)

karnor_37, range=187 (175,-426,3)

karnor_38, range=93 (35,-436,3)

karnor_39, range=104 (63,-433,3)

karnor_40, range=41 (-22,-514,3)

karnor_41, range=178 (-109,-401,19)

karnor_42, range=117 (117,-590,-4)

karnor_44, range=172 (-130,-438,3)

karnor_47, range=166 (-111,-421,3)

karnor_48, range=174 (116,-383,5)

karnor_58, range=173 (-72,-675,12)

karnor_59, range=23 (-1,-541,19)

karnor_60, range=193 (-174,-504,19)

karnor_61, range=150 (-83,-416,21)

karnor_62, range=160 (-114,-435,21)

karnor_63, range=119 (-63,-439,21)

karnor_64, range=60 (78,-521,5)

karnor_65, range=84 (102,-521,3)

karnor_71, range=175 (-130,-432,21)

karnor_75, range=160 (-112,-433,-39)

karnor_76, range=151 (-80,-411,5)

karnor_77, range=122 (-61,-433,3)

karnor_79, range=141 (114,-631,-44)

karnor_80, range=159 (143,-626,-45)

karnor_81, range=144 (141,-602,-45)

karnor_82, range=139 (74,-655,-42)

karnor_83, range=31 (39,-551,-44)

karnor_84, range=183 (121,-679,-44)

karnor_85, range=105 (-12,-426,-35)

spectral_caller (50%)
spectral_curate (50%)

karnor_86, range=33 (12,-494,-35)

skeletal_guardian (95%)
skeletal_warlord (5%)

karnor_87, range=34 (-16,-526,-35)

karnor_88, range=87 (91,-575,-44)

karnor_89, range=74 (92,-532,-44)

karnor_90, range=165 (115,-661,-16)

karnor_91, range=120 (96,-619,-4)

karnor_92, range=106 (117,-565,-4)

karnor_93, range=80 (-43,-581,-22)

karnor_94, range=93 (-7,-618,-19)

karnor_95, range=112 (-44,-621,-22)

karnor_96, range=102 (-24,-621,-18)

karnor_97, range=68 (-24,-582,-18)

karnor_98, range=94 (-48,-459,-35)

karnor_99, range=167 (185,-532,-35)

karnor_100, range=169 (183,-490,-35)

karnor_101, range=143 (157,-490,-35)

karnor_102, range=129 (147,-519,-35)

karnor_105, range=150 (-80,-642,-23)

karnor_106, range=136 (-80,-623,-23)

karnor_107, range=127 (-43,-640,-23)

karnor_108, range=173 (-85,-667,-29)

karnor_109, range=180 (-63,-689,-28)

karnor_110, range=120 (-26,-640,-30)

karnor_111, range=163 (-24,-686,-30)

karnor_113, range=150 (-1,-677,-32)

karnor_114, range=179 (0,-706,-32)

karnor_116, range=183 (71,-703,-29)

karnor_119, range=107 (105,-590,20)

karnor_122, range=199 (-126,-666,32)

karnor_127, range=145 (-51,-399,32)

karnor_128, range=190 (-30,-343,32)

karnor_129, range=186 (-12,-343,32)

karnor_132, range=92 (90,-469,4)

caller_of_Sathir (20%)
spectral_caller (80%)

karnor_133, range=98 (-77,-553,19)

Venril_Sathirs_remains (100%)