NPCs composing that spawngroup :

an_ice_goblin (50%)

an_ice_goblin (50%)

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

permafrost_2, range=83 (414,279,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_17, range=54 (315,306,-38)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_19, range=64 (421,342,17)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_35, range=50 (320,306,17)

a_goblin_mendicant (50%)
a_goblin_priest (50%)

permafrost_36, range=81 (437,353,-24)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_44, range=61 (418,350,17)

permafrost_45, range=73 (300,294,17)

a_goblin_wizard (100%)

permafrost_66, range=43 (331,375,-41)

a_dire_pup (50%)
a_young_dire_wolf (50%)

permafrost_73, range=15 (370,332,-41)

a_dire_pup (50%)
a_young_dire_wolf (50%)

permafrost_75, range=43 (338,301,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_76, range=30 (335,319,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_81, range=65 (407,298,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_85, range=64 (315,291,-38)

an_ice_goblin (50%)
an_ice_goblin (50%)