NPCs composing that spawngroup :

a_bile_golem (25%)

a_helot_spirit (25%)

a_sepulcher_skeleton (25%)

greater_war_boned_skeleton (25%)

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

charasis_87, range=38 (26,243,-194)

a_sepulcher_skeleton (100%)

charasis_113, range=168 (-55,99,-194)

greater_plaguebone (100%)

charasis_118, range=105 (-12,147,22)

charasis_121, range=90 (12,147,22)

charasis_136, range=131 (-72,234,23)

a_bottomless_feaster (100%)

charasis_140, range=71 (131,228,23)

charasis_141, range=97 (143,275,23)

a_bottomless_feaster (100%)

charasis_142, range=131 (-72,234,22)

a_sepulcher_skeleton (100%)

charasis_144, range=103 (157,189,23)

charasis_145, range=44 (79,184,22)

charasis_146, range=116 (-6,320,22)

charasis_147, range=137 (12,353,22)

charasis_148, range=70 (9,273,21)

a_bile_golem (100%)

charasis_149, range=86 (-20,257,22)

charasis_150, range=111 (157,279,22)

charasis_151, range=51 (61,173,22)

charasis_156, range=196 (-136,242,-162)

a_sepulcher_skeleton (50%)
greater_plaguebone (50%)

charasis_157, range=68 (25,165,-194)

a_pyre_golem (50%)
a_pyre_golem (50%)

charasis_158, range=103 (-25,165,-194)

a_pyre_golem (50%)
a_pyre_golem (50%)

charasis_159, range=145 (-2,92,-188)

a_bottomless_gnawer (50%)
greater_war_boned_skeleton (50%)

pulsating_bile_189511, range=198 (239,138,5)