NPCs composing that spawngroup :

Sathirian_Duke (75%)

Viceroy_of_Chottal (75%)

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

sebilis_136, range=0 (-1727,225,-121)

blood_of_chottal (75%)
skeletal_duke (75%)

sebilis_137, range=78 (-1649,234,-123)

sebilis_138, range=78 (-1649,215,-123)

sebilis_3289014, range=78 (-1649,234,-123)

sebilis_3289015, range=78 (-1649,215,-123)