NPCs composing that spawngroup :

a_pyre_golem (33%)

a_pyre_golem (33%)

a_pyre_golem (34%)

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

charasis_44, range=195 (-271,45,4)

an_undertaker_skeleton (50%)
a_sepulcher_skeleton (50%)

charasis_98, range=139 (-284,120,5)

a_helot_spectre (100%)

charasis_103, range=93 (-273,182,4)

charasis_104, range=199 (-368,134,4)

a_sepulcher_skeleton (100%)

charasis_113, range=180 (-55,99,-194)

greater_plaguebone (100%)

charasis_118, range=191 (-12,147,22)

charasis_131, range=94 (-263,280,22)

charasis_132, range=81 (-221,296,23)

charasis_135, range=90 (-243,294,22)

charasis_136, range=117 (-72,234,23)

a_bottomless_feaster (100%)

charasis_137, range=40 (-221,246,23)

charasis_138, range=21 (-189,243,22)

charasis_142, range=117 (-72,234,22)

a_sepulcher_skeleton (100%)

charasis_149, range=171 (-20,257,22)

charasis_155, range=34 (-154,224,-139)

charasis_156, range=56 (-136,242,-162)

a_sepulcher_skeleton (50%)
greater_plaguebone (50%)

charasis_158, range=172 (-25,165,-194)

a_pyre_golem (50%)
a_pyre_golem (50%)

charasis_165, range=79 (-226,152,4)

a_crypt_spectre_189514, range=89 (-237,147,5)