NPCs composing that spawngroup :

an_Icewell_Sentry (100%)

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

thurgadinb_22, range=50 (469,91,-123)

a_coldain_skeleton (100%)

thurgadinb_24, range=30 (476,14,-117)

Frosticube (50%)
Frosticube (50%)

thurgadinb_25, range=106 (429,133,-122)

Frosticube (100%)

thurgadinb_26, range=95 (420,-27,-122)

Frosticube (100%)

thurgadinb_27, range=176 (658,5,-88)

an_avalanche_golem (50%)
an_avalanche_golem (50%)

thurgadinb_28, range=79 (565,41,-80)

a_frost_spike (50%)
a_frost_spike (50%)

thurgadinb_29, range=115 (597,12,-123)

Frosticube (50%)
Frosticube (50%)

thurgadinb_31, range=186 (660,111,62)

Grand_Huntsman_Darral (100%)

thurgadinb_40, range=186 (652,-42,62)

thurgadinb_41, range=165 (651,53,62)

an_Icewell_Sentinel (100%)

thurgadinb_42, range=72 (558,51,62)

thurgadinb_43, range=111 (557,-43,62)

an_Icewell_Sentinel (50%)
an_Icewell_Sentinel (50%)

thurgadinb_45, range=190 (664,108,37)

Councilor_Amberfeld (50%)
Councilor_Amberfeld (50%)

thurgadinb_47, range=176 (655,92,37)

Councilor_Coldember (50%)
Councilor_Coldember (50%)

thurgadinb_49, range=169 (654,66,37)

Councilor_Glacierbane (50%)
Councilor_Glacierbane (50%)

thurgadinb_58, range=186 (672,38,37)

Sentinel_Fridmar (50%)
Sentinel_Fridmar (50%)

thurgadinb_60, range=198 (671,-28,37)

Sentinel_Sheila (50%)
Sentinel_Sheila (50%)

thurgadinb_62, range=155 (627,-23,37)

an_Icewell_Sentinel (100%)

thurgadinb_67, range=76 (559,64,7)

an_Icewell_Sentinel (100%)
an_Icewell_Sentinel (100%)

thurgadinb_68, range=94 (566,-8,7)

an_Icewell_Sentry (50%)
an_Icewell_Sentry (50%)

thurgadinb_69, range=84 (566,17,7)

an_Icewell_Sentry (50%)
an_Icewell_Sentry (50%)

thurgadinb_73, range=190 (298,75,17)

an_Icewell_Sentry (50%)
an_Icewell_Sentry (50%)

thurgadinb_74, range=79 (489,-36,2)

an_Icewell_Sentry (100%)

OneThree_190244, range=60 (533,5,67)

OneThree (100%)

Bouncy_190245, range=134 (612,-5,71)

Bouncy (100%)

thurgadinb_111127, range=127 (606,0,-160)

#nighttrigger (100%)