NPCs composing that spawngroup :

Wraith_of_a_Shissir (100%)

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

fearplane_85, range=96 (778,505,114)

fearplane_95, range=87 (860,480,146)

phoboplasm (100%)
phoboplasm (100%)
phoboplasm (100%)

fearplane_99, range=77 (747,465,107)

Amygdalan_warrior (50%)
a_frightfinger (50%)

fearplane_103, range=84 (750,346,114)

Amygdalan_knight (34%)
Amygdalan_warrior (66%)

fearplane_41, range=83 (841,339,147)