NPCs composing that spawngroup :

Sathirian_Dark_Shaman (16%)

Sathirian_Dark_Wizard (16%)

Sathirian_Dread_Knight (16%)

Sathirian_Dread_Knight (16%)

Sathirian_Krux_Shaman (20%)

Sathirian_Scale_Knight (16%)

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

sebilis_66, range=95 (-958,-360,-105)

sebilis_72, range=76 (-927,-352,-105)

froglok_ostiary (20%)
froglok_zol_knight (80%)

sebilis_74, range=40 (-889,-312,-105)

sebilis_92, range=52 (-875,-316,-105)

sebilis_147, range=35 (-927,-246,-104)

sebilis_158, range=0 (-910,-277,-105)

sebilis_159, range=23 (-901,-255,-105)

sebilis_3288937, range=95 (-958,-360,-105)

sebilis_3288943, range=76 (-927,-352,-105)

Sathirian_Ostiary (20%)
Sathirian_Zyx_Knight (80%)

sebilis_3288945, range=40 (-889,-312,-105)

sebilis_3288965, range=52 (-875,-316,-105)

sebilis_3289025, range=35 (-927,-246,-104)

sebilis_3289037, range=23 (-901,-255,-105)