NPCs composing that spawngroup :

#The_Fabled_Decayed_Prisoner_# (20%)

#The_Fabled_Undead_Jailer (33%)

decayed_prisoner_## (47%)

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

karnor_8, range=97 (102,-611,38)

karnor_10, range=92 (56,-612,38)

karnor_16, range=56 (126,-691,31)

karnor_22, range=81 (105,-629,22)

karnor_25, range=95 (137,-635,31)

karnor_79, range=83 (114,-631,-44)

karnor_82, range=48 (74,-655,-42)

karnor_84, range=56 (121,-679,-44)

karnor_90, range=61 (115,-661,-16)

karnor_91, range=87 (96,-619,-4)

karnor_111, range=96 (-24,-686,-30)

karnor_113, range=76 (-1,-677,-32)

karnor_114, range=71 (0,-706,-32)

karnor_115, range=61 (33,-752,-31)

karnor_116, range=0 (71,-703,-29)

karnor_287917, range=81 (105,-629,22)

a_drolvarg_bodyguard_# (50%)
a_drolvarg_bodyguard_## (50%)

karnor_287926, range=83 (114,-631,-44)

decayed_soldier_# (100%)

karnor_287936, range=61 (33,-752,-31)

decayed_prisoner_# (50%)
decayed_soldier_## (50%)

karnor_287937, range=48 (74,-655,-42)

decayed_prisoner_# (100%)

karnor_287940, range=96 (-24,-686,-30)

decayed_prisoner_# (100%)

karnor_287950, range=87 (96,-619,-4)

decayed_prisoner_# (100%)

karnor_287954, range=76 (-1,-677,-32)

decayed_prisoner_# (50%)
decayed_soldier_# (50%)

karnor_287956, range=61 (115,-661,-16)

decayed_soldier_# (100%)

karnor_287958, range=71 (0,-706,-32)

decayed_prisoner_# (50%)
decayed_prisoner_## (50%)

karnor_287961, range=56 (121,-679,-44)

decayed_soldier_## (100%)

karnor_287969, range=56 (126,-691,31)

#The_Fabled_Construct_of_Sathir (40%)
a_cursed_hand_# (60%)

karnor_287970, range=95 (137,-635,31)

a_cursed_hand_# (100%)

karnor_287985, range=92 (56,-612,38)

a_drolvarg_guardian_## (50%)
a_drolvarg_sentry_## (50%)

karnor_288001, range=97 (102,-611,38)