NPCs composing that spawngroup :

an_undertaker_skeleton (20%)

a_helot_skeleton (20%)

a_sepulcher_skeleton (20%)

a_sepulcher_skeleton (20%)

a_sepulcher_spectre (20%)

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

charasis_44, range=125 (-271,45,4)

an_undertaker_skeleton (50%)
a_sepulcher_skeleton (50%)

charasis_52, range=70 (-267,-127,22)

hexbone_skeleton (100%)

charasis_58, range=106 (-269,25,4)

a_sepulcher_skeleton (100%)

charasis_59, range=85 (-274,-140,23)

charasis_60, range=50 (-250,-114,22)

charasis_61, range=80 (-182,-140,22)

charasis_93, range=158 (-367,-137,4)

charasis_94, range=167 (-389,-96,4)

charasis_96, range=150 (-351,8,14)

a_sepulcher_skeleton (100%)

charasis_97, range=199 (-408,4,14)

an_undertaker_skeleton (50%)
a_pulsating_bile (50%)

charasis_99, range=126 (-333,-8,15)

charasis_108, range=179 (-390,-138,4)

charasis_109, range=146 (-367,-96,5)

charasis_111, range=130 (-96,-42,-189)

greater_war_boned_skeleton (100%)

charasis_160, range=133 (-332,6,14)

charasis_178, range=20 (-244,-66,-127)

a_sepulcher_skeleton (100%)

charasis_179, range=182 (-387,10,-139)

a_bottomless_feaster (100%)
a_bottomless_feaster (100%)

charasis_180, range=50 (-227,-21,-122)

charasis_181, range=59 (-257,-22,-122)

charasis_182, range=141 (-267,-206,-158)

charasis_183, range=159 (-239,-230,-158)