NPCs composing that spawngroup :

a_goblin_bone_knight (100%)

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

droga_18, range=41 (96,1356,-221)

a_deadly_drogan_spider (50%)
a_goblin_earth_mystic (50%)

droga_20, range=37 (151,1365,-221)

droga_23, range=34 (146,1302,-221)

a_goblin_bone_caster (50%)
a_goblin_flame_master (50%)

droga_141, range=146 (-14,1357,-221)

a_goblin_bone_knight (33%)
a_goblin_dirt_criminal (33%)

droga_144, range=128 (19,1397,-227)

a_goblin_whip_cracker (100%)

droga_146, range=139 (124,1472,-249)

a_goblin_bone_ritualist (50%)
a_goblin_ice_master (50%)

droga_147, range=171 (8,1452,-240)

a_goblin_dust_hoodlum (50%)
a_goblin_ice_master (50%)

a_goblin_cavehunter_189444, range=42 (150,1371,-219)

a_goblin_rock_sneak (100%)

droga_a_goblin_taskmaster0_takp_import_v0, range=150 (110,1482,-247)

droga_223163_takp_import_v0, range=177 (275,1436,-246)