NPCs composing that spawngroup :

a_rock_golem (50%)

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

hole_16, range=0 (614,-152,-233)

a_citybound_spirit (100%)

hole_17, range=92 (543,-211,-231)

a_citybound_spirit (50%)
a_citybound_spirit (50%)

hole_18, range=62 (554,-168,-231)

hole_19, range=63 (572,-200,-233)

a_citybound_spirit (50%)
a_citybound_spirit (50%)

Stonesoul_the_Unmovi_189538, range=95 (544,-217,-192)

an_elemental_harvester (50%)
Stonesoul_the_Unmoving (50%)

Stonesoul_the_Unmovi_189539, range=53 (593,-103,-231)

an_elemental_harvester (50%)
Stonesoul_the_Unmoving (50%)

a_flighty_fiend_189565, range=79 (592,-228,-233)

a_flighty_fiend (100%)

an_elemental_wizard_189574, range=25 (599,-131,-233)

an_elemental_wizard (50%)
bejeweled_elemental (50%)

a_rock_golem_189647, range=78 (536,-159,-225)

a_rock_golem (100%)

a_rock_golem_189649, range=33 (587,-132,-233)

a_rock_golem (100%)

an_elemental_channel_189679, range=68 (591,-216,-233)

an_elemental_channeler (100%)

holeLost_Spirit00024890051, range=95 (554,-227,-232)

Lost_Spirit (100%)

va_hole_18, range=62 (554,-168,-231)

va_Stonesoul_the_Unmovi_189538, range=95 (544,-217,-192)

an_elemental_harvester (50%)

va_Stonesoul_the_Unmovi_189539, range=53 (593,-103,-231)

an_elemental_harvester (50%)

va_a_flighty_fiend_189565, range=79 (592,-228,-233)

a_flighty_fiend (100%)

va_an_elemental_wizard_189574, range=25 (599,-131,-233)

an_elemental_wizard (50%)
bejeweled_elemental (50%)

va_a_rock_golem_189646, range=99 (518,-180,-231)

a_rock_golem (100%)

va_a_rock_golem_189647, range=83 (530,-158,-231)

a_rock_golem (100%)

va_a_rock_golem_189649, range=33 (587,-132,-233)

a_rock_golem (100%)

va_an_elemental_channel_189679, range=68 (591,-216,-233)

an_elemental_channeler (100%)