NPCs composing that spawngroup :

decayed_prisoner (25%)

decayed_soldier (25%)

decayed_soldier (25%)

skeletal_caretaker (10%)

NPCs spawning around that spawngroup :
(Max range : 100)

karnor_3, range=12 (102,-571,38)

karnor_4, range=20 (104,-592,38)

karnor_5, range=39 (54,-590,38)

karnor_8, range=37 (102,-611,38)

karnor_10, range=50 (56,-612,38)

karnor_14, range=37 (67,-546,40)

caller_of_Sathir (20%)
spectral_caller (80%)

karnor_21, range=6 (84,-575,19)

karnor_22, range=55 (105,-629,22)

karnor_23, range=35 (55,-573,19)

karnor_25, range=75 (137,-635,31)

karnor_32, range=77 (119,-503,17)

karnor_33, range=99 (126,-482,17)

karnor_34, range=87 (18,-527,3)

karnor_36, range=89 (48,-496,3)

karnor_42, range=30 (117,-590,-4)

karnor_59, range=97 (-1,-541,19)

karnor_64, range=56 (78,-521,5)

karnor_65, range=55 (102,-521,3)

karnor_79, range=60 (114,-631,-44)

karnor_80, range=72 (143,-626,-45)

karnor_81, range=57 (141,-602,-45)

karnor_82, range=81 (74,-655,-42)

karnor_83, range=56 (39,-551,-44)

karnor_89, range=43 (92,-532,-44)

karnor_90, range=89 (115,-661,-16)

karnor_91, range=44 (96,-619,-4)

karnor_92, range=28 (117,-565,-4)

karnor_102, range=79 (147,-519,-35)

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