NPCs composing that spawngroup :

an_ice_goblin (50%)

a_goblin_priest (50%)

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

permafrost_2, range=88 (414,279,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_17, range=23 (315,306,-38)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_19, range=89 (421,342,17)

an_ice_goblin (50%)
an_ice_goblin (50%)

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

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_35, range=19 (320,306,17)

a_goblin_mendicant (50%)
a_goblin_priest (50%)

permafrost_44, range=88 (418,350,17)

permafrost_45, range=43 (300,294,17)

a_goblin_wizard (100%)

permafrost_52, range=30 (357,340,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_66, range=56 (331,375,-41)

a_dire_pup (50%)
a_young_dire_wolf (50%)

permafrost_72, range=93 (350,227,-40)

a_dire_wolf (50%)
a_young_dire_wolf (50%)

permafrost_73, range=37 (370,332,-41)

a_dire_pup (50%)
a_young_dire_wolf (50%)

permafrost_75, range=18 (338,301,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_81, range=75 (407,298,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_85, range=34 (315,291,-38)

an_ice_goblin (50%)
an_ice_goblin (50%)