NPCs composing that spawngroup :

a_tormented_pugilist (50%)

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

griegsend1304078, range=57 (112,1362,-81)

griegsend1304138, range=85 (251,1379,-64)

griegsend1304140, range=69 (187,1315,-81)

griegsend1304223, range=88 (216,1453,-64)

A_Dark_Vision_1433068, range=78 (102,1336,-78)

A_Dark_Vision_1433091, range=73 (156,1454,-61)