NPCs composing that spawngroup :

a_goblin_rock_sneak (100%)

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

droga_70, range=167 (-151,777,-205)

a_goblin_stone_seer (50%)
a_goblin_stone_seer (50%)

droga_83, range=186 (-485,886,-189)

a_goblin_ice_adept (50%)
a_goblin_stone_seer (50%)

droga_95, range=62 (-377,822,-205)

a_goblin_death_ritualist (50%)
a_goblin_rock_sneak (50%)

droga_237, range=76 (-373,858,-205)

a_goblin_death_ritualist (50%)
a_goblin_stone_seer (50%)

droga_240, range=188 (-284,993,-173)

a_goblin_cave_guardian (100%)

droga_241, range=149 (-317,956,-173)

an_enraged_drogan_spider (50%)
an_enraged_drogan_spider (50%)

droga_242, range=174 (-186,923,-189)

a_goblin_rock_sneak (50%)
a_goblin_stone_seer (50%)

droga_250, range=128 (-316,679,-205)

a_goblin_cave_guardian (50%)
a_goblin_rock_sneak (50%)

droga_261, range=139 (-284,671,-205)

a_goblin_cave_guardian (50%)
a_goblin_stone_seer (50%)

droga_262, range=171 (-487,805,-189)

a_goblin_death_ritualist (33%)
a_goblin_ice_adept (33%)

droga_223163_takp_import_v0, range=187 (-487,884,-188)