NPCs composing that spawngroup :

#Sathirian_Devoted_Knight (33%)

Sathirian_Imperial_Shaman (34%)

Sathirian_Krux_Wizard (33%)

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

sebilis_32, range=32 (-262,319,-177)

froglok_ilis_knight (50%)
froglok_ilis_shaman (50%)

sebilis_51, range=29 (-255,307,-33)

froglok_dar_knight (100%)

sebilis_61, range=64 (-240,386,-39)

sebilis_62, range=47 (-239,368,-40)

sebilis_170, range=42 (-228,364,-177)

sebilis_171, range=0 (-229,322,-177)

sebilis_172, range=46 (-255,360,-177)

sebilis_3288902, range=32 (-262,319,-177)

Sathirian_Imperial_Knight (50%)
Sathirian_Imperial_Shaman (50%)

sebilis_3288922, range=29 (-255,307,-33)

Sathirian_Dread_Knight (100%)

sebilis_3288932, range=64 (-240,386,-39)

sebilis_3288933, range=47 (-239,368,-40)

sebilis_3289048, range=42 (-228,364,-177)

sebilis_3289050, range=46 (-255,360,-177)