NPCs composing that spawngroup :

a_Chetari_Dustshaper (50%)

a_Chetari_Dustshaper (50%)

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

Vaniki, range=20 (-382,-1252,-254)

Vaniki (10%)
Vaniki_placeholder (90%)

necropolis_19, range=156 (-225,-1181,-311)

an_entropy_serpent (50%)
an_entropy_serpent (50%)

necropolis_57, range=47 (-315,-1257,-302)

Vilefang (100%)

necropolis_61, range=80 (-339,-1180,-285)

necropolis_63, range=28 (-377,-1233,-255)

a_Chetari_master (50%)
a_Chetari_seeker (50%)

necropolis_64, range=97 (-414,-1339,-254)

a_carrion_bat (100%)

an_inactive_trap_190077, range=107 (-383,-1362,-248)

an_inactive_trap_190078, range=136 (-368,-1393,-253)