NPCs composing that spawngroup :

a_cold_shade (50%)

a_cold_spectre (50%)

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

velketor_4, range=59 (-19,-238,-98)

velketor_29, range=42 (-3,-144,-70)

an_Icepaw_kobold (33%)
an_Icepaw_kobold_priest (34%)

velketor_44, range=71 (-28,-250,-98)

a_shard_spectre (50%)
a_shard_spectre (50%)

velketor_45, range=10 (-36,-184,-98)

a_cold_spectre (50%)
a_cold_spectre (50%)

velketor_47, range=11 (-27,-190,-98)

velketor_48, range=88 (28,-110,-85)

an_Icepaw_prophet (50%)

velketor_53, range=65 (6,-236,6)

a_crystal_gargoyle (100%)

velketor_59, range=27 (-41,-155,10)

velketor_63, range=94 (21,-98,-112)

a_blizzard_hunter (33%)
a_velium_stalker (33%)

velketor_67, range=15 (-15,-169,6)

an_icy_watcher (33%)
a_crystal_guardian (33%)

velketor_87, range=97 (-17,-82,-30)

a_crystaline_sentinel (50%)
a_crystalline_gargoyle (50%)

a_glimmering_orb_189762, range=67 (-3,-116,-66)

a_glimmering_orb (15%)
a_glimmering_orb (15%)

velketor_a_blizzard_hunter017_42450804, range=37 (-40,-144,-73)

a_blizzard_hunter (100%)

velketor_a_blizzard_hunter018_42454257, range=35 (-21,-145,-73)

a_blizzard_hunter (100%)

velketor_Lord_Doljonijiarnimorinar000_42501910, range=53 (-30,-127,-73)

Lord_Doljonijiarnimorinar (100%)