NPCs composing that spawngroup :

an_ice_goblin (25%)

a_goblin_evoker (25%)

a_goblin_jailmaster (25%)

a_goblin_priest (25%)

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

permafrost_10, range=14 (125,-318,3)

permafrost_16, range=18 (121,-341,3)

permafrost_20, range=80 (77,-385,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_21, range=79 (91,-395,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_22, range=63 (106,-386,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_23, range=88 (48,-345,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_24, range=86 (50,-315,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_25, range=88 (47,-333,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_29, range=95 (49,-288,3)

an_ice_goblin (50%)
a_goblin_prelate (50%)

permafrost_33, range=38 (168,-309,3)

an_ice_goblin (100%)

permafrost_52, range=69 (192,-368,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_81, range=2 (133,-330,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_103, range=20 (120,-315,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_104, range=92 (169,-415,3)

an_ice_goblin (100%)

permafrost_122, range=67 (202,-321,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_124, range=19 (124,-345,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_129, range=26 (150,-307,3)

an_ice_goblin (100%)

permafrost_130, range=72 (138,-257,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_134, range=84 (211,-367,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_137, range=83 (141,-412,3)

an_ice_goblin (100%)