NPCs composing that spawngroup :

orc_centurion (33%)

orc_legionnaire (34%)

orc_pawn (33%)

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

crushbone_2, range=89 (116,-257,-17)

an_elven_slave (50%)
an_elven_slave (50%)

crushbone_14, range=24 (98,-177,4)

orc_centurion (50%)
orc_legionnaire (50%)

crushbone_22, range=47 (83,-131,6)

orc_centurion (100%)

crushbone_36, range=79 (89,-100,7)