NPCs composing that spawngroup :

the_ghoul_lorde (100%)

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

gukbottom_163, range=15 (602,-580,-162)

a_wan_ghoul_knight (50%)
a_zol_ghoul_knight (50%)

gukbottom_161, range=20 (581,-603,-165)

gukbottom_160, range=17 (602,-612,-162)

a_tal_ghoul_wizard (50%)
a_wan_ghoul_knight (50%)

gukbottom_156, range=20 (587,-579,-162)

an_urd_ghoul_wizard (50%)
an_urd_ghoul_wizard (50%)

gukbottom_133, range=11 (597,-606,-190)

a_wan_ghoul_knight (50%)
a_wan_ghoul_knight (50%)

gukbottom_125, range=22 (582,-581,-190)

a_vis_ghoul_knight (50%)
a_zol_ghoul_knight (50%)

gukbottom_118, range=74 (627,-665,-190)

an_urd_ghoul_wizard (100%)

gukbottom_166, range=89 (635,-678,-165)

a_tal_ghoul_wizard (100%)

gukbottom_7, range=26 (578,-609,-190)

a_ghoul_cavalier (30%)
a_wan_ghoul_knight (70%)

gukbottom_6, range=95 (636,-683,-134)

a_zol_ghoul_knight (100%)