NPCs composing that spawngroup :

a_frost_familiar (100%)

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

frozenshadow_24, range=3 (399,6,355)

#a_shrouded_bat (100%)

frozenshadow_42, range=48 (357,36,-1)

a_shadow_beast (50%)
a_shadow_beast (50%)

frozenshadow_43, range=35 (401,43,-3)

a_shadowbone (50%)
a_shadowbone (50%)

frozenshadow_44, range=75 (375,81,-1)

a_shadow_beast (50%)
a_shadow_beast (50%)

frozenshadow_45, range=89 (355,87,-1)

frozenshadow_133, range=85 (314,33,-1)

#Xalgoti (5%)
a_shadow_beast (95%)

frozenshadow_138, range=80 (472,35,304)

a_blood_familiar (50%)
a_blood_familiar (50%)

frozenshadow_139, range=81 (472,-22,304)

a_blood_familiar (50%)
a_blood_familiar (50%)

frozenshadow_140, range=91 (453,-63,304)

frozenshadow_141, range=51 (384,58,304)

an_emerald_familiar (50%)
an_emerald_familiar (50%)

a_disabled_trap_189738, range=99 (469,-59,306)

a_disabled_trap (100%)

frozenshadowa_golem_usher010170078806, range=67 (438,-45,218)

a_golem_usher (100%)

frozenshadow#an_undead_usher000169956537, range=98 (414,-90,218)

frozenshadow#a_shrouded_bat001, range=44 (353,-5,355)

#a_shrouded_bat (100%)

frozenshadow#a_shrouded_bat011, range=55 (397,63,355)

#a_shrouded_bat (100%)

frozenshadow#a_shrouded_bat021, range=28 (398,-20,355)

#a_shrouded_bat (100%)

frozenshadow#a_shrouded_bat031, range=90 (315,49,355)

#a_shrouded_bat (100%)

frozenshadow_48650, range=49 (372,-36,218)

Dark_Huntress (100%)

frozenshadow_111148, range=45 (440,21,354)

#Advisor_Svartmane (100%)