NPCs composing that spawngroup :

a_goblin_priest (50%)

a_goblin_scryer (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

permafrost_9, range=12 (199,-588,3)

a_goblin_evoker (50%)
a_goblin_priest (50%)

permafrost_12, range=11 (176,-589,3)

an_ice_goblin (50%)
a_goblin_evoker (50%)

permafrost_68, range=47 (169,-545,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_69, range=157 (269,-455,3)

a_goblin_evoker (50%)
a_goblin_evoker (50%)

permafrost_70, range=134 (267,-481,3)

a_goblin_prelate (50%)
a_goblin_priest (50%)

permafrost_82, range=153 (205,-437,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_84, range=183 (243,-414,4)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_103, range=118 (228,-478,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_104, range=174 (169,-415,3)

an_ice_goblin (100%)

permafrost_111, range=44 (207,-549,3)

an_ice_goblin (50%)
a_goblin_priest (50%)

permafrost_132, range=198 (230,-395,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_134, range=123 (189,-466,3)

an_ice_goblin (50%)
an_ice_goblin (50%)

permafrost_135, range=89 (177,-500,3)

permafrost_136, range=91 (199,-498,3)

an_ice_goblin (50%)
a_goblin_prelate (50%)

permafrost_137, range=182 (141,-412,3)

an_ice_goblin (100%)