NPCs composing that spawngroup :

an_ice_goblin (50%)

a_goblin_priest (50%)

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

permafrost_2, range=68 (414,279,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_19, range=77 (421,342,17)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_34, range=98 (567,246,17)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_36, range=74 (437,353,-24)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_39, range=96 (462,198,-41)

a_dire_pup (50%)
a_young_dire_wolf (50%)

permafrost_44, range=84 (418,350,17)

permafrost_46, range=36 (460,263,-41)

a_young_dire_wolf (100%)

permafrost_58, range=93 (496,201,17)

an_ice_goblin (50%)
a_goblin_wizard (50%)

permafrost_74, range=86 (413,240,-41)

a_young_dire_wolf (50%)
a_young_dire_wolf (50%)

permafrost_79, range=73 (458,363,-41)

a_dire_wolf (50%)
a_young_dire_wolf (50%)

permafrost_80, range=76 (550,260,17)

an_ice_goblin (50%)
a_goblin_prelate (50%)

permafrost_81, range=74 (407,298,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_99, range=15 (493,283,17)

a_goblin_evoker (50%)
a_goblin_priest (50%)