NPCs composing that spawngroup :

Qua_Va_Dyn (50%)

Zov_Va_Dyn (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

vexthal1264350, range=176 (27,134,3)

Zun_Senshali_Xakra (200%)

vexthal1264347, range=158 (-28,134,3)

Qua_Zethon_Xakra (200%)

vexthal1264321, range=176 (-152,126,130)

Eom_Thall_Xakra (50%)
Zun_Thall_Xakra (50%)

vexthal1264270, range=137 (0,-148,5)

Eom_Thall (33%)
Pli_Thall (33%)
Zun_Thall (34%)

vexthal1264264, range=110 (55,-22,9)

Qua_Va_Dyn (50%)
Zov_Va_Dyn (50%)

vexthal1264257, range=175 (-28,151,4)

vexthal1264256, range=191 (28,151,5)

Vex_Thal_Bosses, range=59 (0,0,0)

vexthal_#a_shadow_rift, range=59 (0,0,0)

#a_shadow_rift (100%)

vexthal_#a_shadow_rift_0, range=59 (0,0,0)

#a_shadow_rift_ (100%)