NPCs composing that spawngroup :

Keeper_Pain (100%)

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

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

Keeper_Suffering (100%)

cabwest_5, range=66 (330,753,45)

Visar_Glolith (100%)

cabwest_6, range=38 (325,790,45)

Izarod_Fristan (100%)

cabwest_27, range=46 (263,768,17)

Nihilist_Zeegarn (100%)

cabwest_28, range=27 (263,800,17)

Nihilist_Yeegarn (100%)

cabwest_36, range=14 (288,820,17)

Keeper_Rott (100%)

cabwest_37, range=19 (271,803,17)

Keeper_Pestilence (100%)

cabwest_38, range=20 (270,811,17)

Keeper_Plight (100%)

cabwest_39, range=23 (271,819,17)

Keeper_Bile (100%)

cabwest_42, range=23 (291,783,17)

Master_Kyvix (100%)

cabwest_43, range=20 (289,786,46)

Master_Rixiz (100%)

cabwest_44, range=52 (342,812,67)

Master_Xydoz (100%)

cabwest_45, range=38 (317,778,76)

Harbinger_Glosk (100%)

cabwest_46, range=97 (304,902,1)