NPCs composing that spawngroup :

a_goblin_bone_ritualist (33%)

a_goblin_earth_seer (33%)

a_goblin_earth_seer (34%)

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

droga_87, range=58 (479,1953,-269)

a_goblin_bone_ritualist (50%)
a_goblin_earth_seer (50%)

droga_102, range=73 (558,1947,-269)

a_goblin_bone_depredator (50%)
a_goblin_dust_hoodlum (50%)

droga_126, range=95 (596,1961,-264)

a_goblin_earth_seer (50%)
a_goblin_ice_master (50%)

droga_128, range=85 (578,2057,-253)

a_goblin_bone_depredator (50%)
a_goblin_ice_master (50%)

droga_156, range=82 (571,1947,-220)

a_goblin_bone_ritualist (100%)

droga_208, range=26 (521,2028,-249)

a_goblin_earth_seer (50%)
a_noxious_drogan_spider (50%)

va_droga_512513, range=85 (578,2057,-252)

a_goblin_legate (100%)

va_droga_512514, range=92 (439,1946,-268)

va_droga_512516, range=92 (581,1944,-219)

a_goblin_taskmaster (100%)
a_goblin_taskmaster (100%)

va_droga_512517, range=76 (439,1978,-268)

a_goblin_depredator (100%)
a_goblin_depredator (100%)

va_droga_512530, range=65 (576,2005,-271)

a_goblin_fanatic (15%)
a_goblin_legate (85%)