NPCs composing that spawngroup :

Frosticube (50%)

Frosticube (50%)

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

thurgadinb_4, range=93 (690,4,68)

#Dain_Frostreaver_IV (100%)

thurgadinb_27, range=62 (658,5,-88)

an_avalanche_golem (50%)
an_avalanche_golem (50%)

thurgadinb_28, range=43 (565,41,-80)

a_frost_spike (50%)
a_frost_spike (50%)

thurgadinb_37, range=96 (693,12,68)

Chamberlain_Krystorf (100%)

thurgadinb_38, range=89 (685,-6,62)

Royal_Guardsman_Nial (100%)

thurgadinb_39, range=88 (685,15,62)

Royal_Guardsman_Rhion (100%)

thurgadinb_40, range=77 (652,-42,62)

thurgadinb_41, range=67 (651,53,62)

an_Icewell_Sentinel (100%)

thurgadinb_42, range=55 (558,51,62)

thurgadinb_43, range=68 (557,-43,62)

an_Icewell_Sentinel (50%)
an_Icewell_Sentinel (50%)

thurgadinb_47, range=99 (655,92,37)

Councilor_Coldember (50%)
Councilor_Coldember (50%)

thurgadinb_49, range=79 (654,66,37)

Councilor_Glacierbane (50%)
Councilor_Glacierbane (50%)

thurgadinb_57, range=93 (687,38,37)

Sentinel_Saedis (50%)
Sentinel_Saedis (50%)

thurgadinb_58, range=79 (672,38,37)

Sentinel_Fridmar (50%)
Sentinel_Fridmar (50%)

thurgadinb_60, range=84 (671,-28,37)

Sentinel_Sheila (50%)
Sentinel_Sheila (50%)

thurgadinb_61, range=99 (688,-28,37)

Sentinel_Anderin (50%)
Sentinel_Anderin (50%)

thurgadinb_62, range=45 (627,-23,37)

an_Icewell_Sentinel (100%)

thurgadinb_67, range=65 (559,64,7)

an_Icewell_Sentinel (100%)
an_Icewell_Sentinel (100%)

thurgadinb_68, range=36 (566,-8,7)

an_Icewell_Sentry (50%)
an_Icewell_Sentry (50%)

thurgadinb_69, range=31 (566,17,7)

an_Icewell_Sentry (50%)
an_Icewell_Sentry (50%)

OneThree_190244, range=64 (533,5,67)

OneThree (100%)

Bouncy_190245, range=22 (612,-5,71)

Bouncy (100%)

thurgadinb_111127, range=15 (606,0,-160)

#nighttrigger (100%)