NPCs composing that spawngroup :

an_elemental_harvester (50%)

Stonesoul_the_Unmoving (50%)

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

hole_24, range=35 (196,513,-612)

a_rock_golem (50%)

hole_59, range=66 (173,557,-373)

hole_79, range=71 (104,523,-322)

a_rock_golem (50%)

hole_154, range=84 (99,443,-347)

a_wanderer (50%)
a_wanderer (50%)
a_wanderer (50%)

hole_165, range=90 (82,520,-347)

a_wanderer (50%)
a_wanderer (50%)
a_wanderer (50%)

hole_166, range=43 (144,527,-323)

hole_167, range=68 (144,555,-323)

hole_173, range=82 (245,461,-332)

a_wanderer (50%)
a_wanderer (50%)
a_wanderer (50%)

hole_188, range=63 (116,527,-322)

a_rock_golem (50%)
a_rock_golem (50%)

hole_192, range=65 (170,556,-347)

a_wanderer (50%)
a_wanderer (50%)

hole_193, range=93 (195,581,-347)

hole_208, range=64 (171,555,-399)

a_wanderer (50%)
a_wanderer (50%)
a_wanderer (50%)

hole_209, range=94 (196,581,-399)

hole_213, range=90 (258,499,-332)

hole_229, range=46 (135,457,-346)

a_rock_golem (50%)

Stonesoul_the_Unmovi_189533, range=75 (95,470,-323)

an_elemental_capture_189546, range=71 (180,561,-398)

an_elemental_capturer (50%)

a_rock_golem_189618, range=98 (72,514,-347)

a_rock_golem (50%)

a_rock_golem_189619, range=99 (74,458,-347)

a_rock_golem (50%)

a_rock_golem_189620, range=94 (79,524,-323)

a_rock_golem (50%)

a_rock_golem_189621, range=70 (98,492,-347)

a_rock_golem (50%)

a_rock_golem_189622, range=68 (100,490,-323)

a_rock_golem (50%)

a_rock_golem_189631, range=53 (145,539,-323)

a_rock_golem (50%)

a_rock_golem_189633, range=42 (171,449,-335)

a_rock_golem (50%)

a_rock_golem_189635, range=15 (180,500,-323)

a_rock_golem (50%)

a_rock_golem_189638, range=84 (245,456,-332)

a_rock_golem (50%)

an_elemental_channel_189673, range=81 (98,533,-321)

an_elemental_channeler (50%)

an_elemental_channel_189678, range=69 (198,554,-369)

an_elemental_channeler (50%)