NPCs composing that spawngroup :

an_ice_goblin (50%)

a_goblin_priest (50%)

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

permafrost_34, range=49 (424,105,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_39, range=43 (361,41,-27)

permafrost_40, range=15 (369,85,-41)

a_dire_pup (50%)
a_dire_wolf (50%)

permafrost_41, range=49 (357,120,-40)

a_dire_pup (50%)
a_large_dire_wolf (50%)

permafrost_42, range=56 (329,96,-20)

a_young_dire_wolf (50%)
a_young_dire_wolf (50%)

permafrost_50, range=95 (288,75,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_62, range=99 (287,105,3)

an_ice_goblin (50%)
a_goblin_diviner (50%)

permafrost_71, range=41 (418,56,-41)

a_young_dire_wolf (50%)
a_young_dire_wolf (50%)

permafrost_75, range=28 (378,50,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_77, range=54 (417,120,-41)

a_dire_pup (50%)
a_dire_pup (50%)

permafrost_78, range=97 (341,166,-40)

a_dire_wolf (50%)
a_dire_wolf (50%)

permafrost_108, range=95 (385,-17,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_109, range=86 (401,-7,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_110, range=82 (375,-4,4)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_112, range=65 (443,52,3)

a_goblin_evoker (50%)
a_goblin_mendicant (50%)

permafrost_113, range=65 (448,80,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)