NPCs composing that spawngroup :

an_ice_goblin (25%)

a_goblin_diviner (25%)

a_goblin_evoker (25%)

a_goblin_evoker (25%)

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

permafrost_11, range=14 (135,-329,3)

permafrost_16, range=23 (121,-341,3)

permafrost_20, range=82 (77,-385,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_21, range=84 (91,-395,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_22, range=70 (106,-386,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_23, range=81 (48,-345,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_24, range=75 (50,-315,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_25, range=79 (47,-333,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_29, range=81 (49,-288,3)

an_ice_goblin (50%)
a_goblin_prelate (50%)

permafrost_30, range=98 (48,-256,3)

an_ice_goblin (50%)
a_goblin_diviner (50%)

permafrost_31, range=93 (45,-270,3)

permafrost_33, range=43 (168,-309,3)

an_ice_goblin (100%)

permafrost_52, range=83 (192,-368,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_81, range=14 (133,-330,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_103, range=5 (120,-315,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_122, range=77 (202,-321,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_124, range=27 (124,-345,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_128, range=96 (160,-228,17)

an_ice_goblin (50%)
a_goblin_prelate (50%)

permafrost_129, range=27 (150,-307,3)

an_ice_goblin (100%)

permafrost_130, range=62 (138,-257,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_134, range=98 (211,-367,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_137, range=95 (141,-412,3)

an_ice_goblin (100%)