NPCs composing that spawngroup :

an_ice_goblin (50%)

a_goblin_diviner (50%)

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

permafrost_2, range=17 (312,218,-38)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_17, range=5 (293,215,-38)

permafrost_27, range=90 (383,242,17)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_33, range=84 (213,198,3)

an_ice_goblin (100%)

permafrost_35, range=89 (320,306,17)

a_goblin_mendicant (50%)
a_goblin_priest (50%)

permafrost_45, range=74 (300,294,17)

a_goblin_wizard (100%)

permafrost_47, range=24 (302,197,3)

permafrost_48, range=58 (309,163,3)

an_ice_goblin (100%)

permafrost_59, range=88 (210,244,10)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_60, range=84 (223,264,10)

a_goblin_preacher (50%)
a_goblin_prelate (50%)

permafrost_61, range=60 (240,244,10)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_64, range=63 (337,172,-39)

permafrost_72, range=55 (350,227,-40)

a_dire_wolf (50%)
a_young_dire_wolf (50%)

permafrost_75, range=91 (338,301,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_78, range=70 (341,166,-40)

a_dire_wolf (50%)
a_dire_wolf (50%)

permafrost_85, range=73 (315,291,-38)

an_ice_goblin (50%)
an_ice_goblin (50%)