NPCs composing that spawngroup :

an_ice_goblin (50%)

a_goblin_priest (50%)

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

permafrost_2, range=77 (414,279,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_19, range=19 (421,342,17)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_44, range=19 (418,350,17)

permafrost_46, range=92 (460,263,-41)

a_young_dire_wolf (100%)

permafrost_52, range=81 (357,340,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_73, range=70 (370,332,-41)

a_dire_pup (50%)
a_young_dire_wolf (50%)

permafrost_79, range=23 (458,363,-41)

a_dire_wolf (50%)
a_young_dire_wolf (50%)

permafrost_81, range=62 (407,298,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_99, range=89 (493,283,17)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_100, range=74 (481,293,17)

an_ice_goblin (50%)
a_goblin_priest (50%)