NPCs composing that spawngroup :

Nihilist_Yeegarn (100%)

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

cabwest_3, range=171 (173,654,3)

Lithriss_Frizen (100%)

cabwest_4, range=27 (281,821,17)

Keeper_Suffering (100%)

cabwest_5, range=81 (330,753,45)

Visar_Glolith (100%)

cabwest_6, range=62 (325,790,45)

Izarod_Fristan (100%)

cabwest_11, range=186 (93,877,3)

Crusader_Mocdi (100%)

cabwest_13, range=167 (161,667,16)

a_mortician (100%)

cabwest_26, range=175 (134,681,3)

Trooper_Gegren (100%)

cabwest_27, range=32 (263,768,17)

Nihilist_Zeegarn (100%)

cabwest_29, range=135 (137,750,3)

Trooper_Hylpik (100%)

cabwest_30, range=151 (138,885,3)

Trooper_Egrephit (100%)

cabwest_35, range=27 (290,806,17)

Keeper_Pain (100%)

cabwest_36, range=32 (288,820,17)

Keeper_Rott (100%)

cabwest_37, range=8 (271,803,17)

Keeper_Pestilence (100%)

cabwest_38, range=13 (270,811,17)

Keeper_Plight (100%)

cabwest_39, range=20 (271,819,17)

Keeper_Bile (100%)

cabwest_42, range=32 (291,783,17)

Master_Kyvix (100%)

cabwest_43, range=29 (289,786,46)

Master_Rixiz (100%)

cabwest_44, range=79 (342,812,67)

Master_Xydoz (100%)

cabwest_45, range=58 (317,778,76)

Harbinger_Glosk (100%)

cabwest_46, range=120 (296,916,-8)