NPCs composing that spawngroup :

#an_ice_goblin_alchemist (60%)

#The_Fabled_Ice_Goblin_Alchemist (30%)

an_ice_goblin (10%)

a_goblin_diviner (20%)

a_goblin_evoker (20%)

a_goblin_priest (20%)

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

permafrost_14, range=61 (300,-310,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_15, range=23 (288,-374,4)

a_goblin_evoker (50%)
a_goblin_prelate (50%)

permafrost_17, range=89 (240,-316,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_19, range=38 (348,-361,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_69, range=94 (269,-455,3)

a_goblin_evoker (50%)
a_goblin_evoker (50%)

permafrost_84, range=80 (243,-414,4)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_123, range=79 (301,-291,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_124, range=66 (367,-335,3)

permafrost_132, range=84 (230,-395,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_288423, range=89 (240,-316,3)

permafrost_288417, range=61 (300,-310,3)

permafrost_288419, range=0 (311,-370,4)

permafrost_288421, range=23 (288,-374,4)

permafrost_288425, range=84 (230,-395,3)

an_icy_goblin_slave_# (100%)

permafrost_288427, range=38 (348,-361,3)