NPCs composing that spawngroup :

a_spirit_of_the_old_city (33%)

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

hole_15, range=94 (-195,214,-294)

hole_55, range=93 (-223,206,-293)

hole_89, range=29 (-228,327,-293)

hole_90, range=85 (-151,299,-269)

hole_95, range=17 (-225,285,-292)

hole_159, range=59 (-178,285,-299)

hole_191, range=70 (-236,229,-293)

hole_239, range=65 (-179,266,-291)

a_flighty_fiend_189559, range=35 (-208,320,-291)

a_rock_golem_189602, range=53 (-282,271,-286)

a_rock_golem_189603, range=58 (-278,258,-286)

a_rock_golem_189604, range=79 (-177,246,-299)

va_hole_55, range=93 (-223,206,-293)

va_hole_89, range=29 (-228,327,-293)

va_hole_90, range=85 (-151,299,-269)

va_hole_159, range=59 (-178,285,-299)

va_hole_191, range=70 (-236,229,-293)

va_hole_239, range=65 (-179,266,-291)

va_a_flighty_fiend_189559, range=35 (-208,320,-291)

va_a_rock_golem_189602, range=53 (-282,271,-286)

va_a_rock_golem_189603, range=58 (-278,258,-286)

va_a_rock_golem_189604, range=79 (-177,246,-299)