NPCs composing that spawngroup :

From_no_where (50%)

seven (50%)

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

velketor_7, range=97 (-188,150,-70)

an_Icepaw_champion (50%)
The_hair (50%)

velketor_25, range=86 (-230,155,-70)

velketor_34, range=53 (-230,122,-70)

velketor_77, range=75 (-212,138,-69)

an_Icepaw_champion (50%)
an_Icepaw_prophet (50%)

velketor_92, range=61 (-203,24,7)

a_crystalline_sentinel (33%)
a_crystal_sentinel (33%)

seven_189761, range=0 (-244,70,-70)

From_no_where (50%)
seven (50%)

eight_189770, range=73 (-265,0,-70)

eight (100%)

TerrorSpawner_189772, range=47 (-220,111,-12)

TerrorSpawner (100%)

velketor_282452, range=73 (-266,0,-71)

eight (50%)
You_are (50%)

velketor_282453, range=99 (-187,151,-71)

an_Icepaw_champion (100%)

velketor_289066, range=97 (-188,150,-70)

an_Icepaw_champion (50%)
The_hair (50%)

velketor_289119, range=86 (-230,155,-70)

velketor_289141, range=53 (-230,122,-70)

velketor_289239, range=75 (-212,138,-69)

an_Icepaw_champion (50%)
an_Icepaw_prophet (50%)

velketor_289264, range=61 (-203,24,7)

a_crystalline_sentinel (33%)
a_crystal_sentinel (33%)

velketor_289291, range=73 (-265,0,-70)

eight (100%)

velketor_289293, range=47 (-220,111,-12)

TerrorSpawner (100%)

velketor_289300, range=73 (-266,0,-71)

eight (50%)
You_are (50%)

velketor_289301, range=99 (-187,151,-71)

an_Icepaw_champion (100%)