NPCs composing that spawngroup :

Qua_Thall_Xakra (25%)

Zov_Centien_Xakra (25%)

Zun_Centien (25%)

Zun_Thall_Xakra (25%)

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

vexthal1264104, range=190 (377,1755,9)

vexthal1264103, range=193 (377,1718,9)

vexthal1264102, range=133 (303,1823,8)

Qua_Thall (100%)

vexthal1264101, range=151 (323,1823,9)

Zov_Zethon_Xakra (100%)

vexthal1264100, range=173 (323,1648,9)

Qua_Thall (33%)
Zov_Thall (34%)
Zun_Thall (33%)

vexthal1264099, range=158 (303,1648,9)

Zov_Zethon_Xakra (100%)

vexthal1264091, range=42 (229,1756,5)

vexthal1264090, range=55 (229,1720,4)

vexthal1264089, range=36 (187,1720,4)

vexthal1264079, range=151 (61,1672,121)

Zov_Thall (100%)

vexthal1264073, range=99 (88,1757,118)

vexthal1264072, range=106 (88,1717,118)

vexthal1264069, range=43 (207,1717,118)

vexthal1264068, range=20 (207,1756,118)

vexthal1264067, range=194 (381,1749,122)

vexthal1264066, range=196 (381,1723,122)

Eom_Zethon (34%)
Pli_Centien (33%)
Pli_Thall (33%)

vexthal1264065, range=149 (315,1833,122)

Eom_Va_Dyn (33%)
Pli_Va_Dyn (34%)
Zun_Va_Dyn (33%)

vexthal1264064, range=168 (315,1646,121)

Eom_Va_Dyn (50%)
Zun_Va_Dyn (50%)

vexthal1264036, range=186 (1,1735,73)

#Diabo_Xi_Xin_Thall1 (100%)

vexthal_287839, range=189 (19,1844,1)

vexthal_287840, range=92 (279,1756,1)