NPCs composing that spawngroup :

orc_centurion (50%)

orc_centurion (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

crushbone_1, range=109 (3,387,-14)

crushbone_8, range=182 (79,375,-15)

a_dwarven_slave (50%)
a_dwarven_slave (50%)

crushbone_16, range=17 (-90,346,4)

orc_centurion (50%)
orc_centurion (50%)

crushbone_22, range=191 (-141,170,90)

orc_centurion (100%)

crushbone_34, range=197 (1,526,-8)

crushbone_40, range=194 (-156,171,90)

orc_centurion (50%)
orc_centurion (50%)

crushbone_42, range=162 (-258,308,5)

crushbone_43, range=179 (-282,349,5)

orc_centurion (50%)
orc_pawn (50%)

crushbone_45, range=21 (-89,374,4)

crushbone_51, range=179 (67,415,-12)

orc_slaver (33%)
orc_slaver (33%)
orc_slaver (34%)

crushbone_54, range=161 (42,428,-12)

orc_slaver (50%)
orc_slaver (50%)

crushbone_75, range=126 (-56,475,74)

orc_pawn (100%)
orc_pawn (100%)