NPCs composing that spawngroup :

a_deadly_drogan_spider (100%)

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

droga_20, range=65 (693,-162,-125)

a_goblin_bone_knight (50%)
a_goblin_whip_cracker (50%)

droga_303, range=193 (706,-18,-77)

a_goblin_earth_mystic (50%)
a_goblin_flame_master (50%)

droga_304, range=181 (668,-20,-77)

a_goblin_bone_knight (50%)
a_goblin_whip_cracker (50%)

droga_a_goblin_taskmaster0_takp_import_v0, range=191 (706,-20,-76)

droga_223165_takp_import_v0, range=153 (488,-227,-172)