NPCs composing that spawngroup :

an_Icewell_Sentry (50%)

an_Icewell_Sentry (50%)

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

thurgadinb_24, range=89 (476,14,-117)

Frosticube (50%)
Frosticube (50%)

thurgadinb_27, range=93 (658,5,-88)

an_avalanche_golem (50%)
an_avalanche_golem (50%)

thurgadinb_28, range=24 (565,41,-80)

a_frost_spike (50%)
a_frost_spike (50%)

thurgadinb_29, range=32 (597,12,-123)

Frosticube (50%)
Frosticube (50%)

thurgadinb_40, range=78 (644,5,38)

an_Icewell_Sentinel (50%)
an_Icewell_Sentinel (50%)

thurgadinb_41, range=92 (651,53,62)

an_Icewell_Sentinel (100%)

thurgadinb_42, range=34 (558,51,62)

thurgadinb_43, range=60 (557,-43,62)

an_Icewell_Sentinel (50%)
an_Icewell_Sentinel (50%)

thurgadinb_62, range=72 (627,-23,37)

an_Icewell_Sentinel (100%)

thurgadinb_67, range=48 (559,64,7)

an_Icewell_Sentinel (100%)
an_Icewell_Sentinel (100%)

thurgadinb_68, range=25 (566,-8,7)

an_Icewell_Sentry (50%)
an_Icewell_Sentry (50%)

thurgadinb_74, range=93 (489,-36,2)

an_Icewell_Sentry (100%)

thurgadinb_75, range=84 (486,43,2)

an_Icewell_Sentry (100%)

OneThree_190244, range=35 (533,5,67)

OneThree (100%)

Bouncy_190245, range=50 (612,-5,71)

Bouncy (100%)

thurgadinb_111127, range=43 (606,0,-160)

#nighttrigger (100%)