NPCs composing that spawngroup :

Sathirian_Champion (20%)

Sathirian_Champion (20%)

Sathirian_Champion (20%)

Sathirian_Crusader (20%)

Sathirian_Duke (20%)

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

sebilis_134, range=88 (-1615,152,-123)

krup_ghoul_knight (100%)

sebilis_136, range=78 (-1727,225,-121)

blood_of_chottal (75%)
skeletal_duke (75%)

sebilis_137, range=0 (-1649,234,-123)

sebilis_138, range=19 (-1649,215,-123)

sebilis_3289011, range=88 (-1615,152,-123)

Sathirian_Grym_Knight (100%)

sebilis_3289013, range=78 (-1727,225,-121)

Sathirian_Duke (75%)
Viceroy_of_Chottal (75%)

sebilis_3289015, range=19 (-1649,215,-123)