NPCs composing that spawngroup :

#Dustbinder_Grakina (30%)

a_Chetari_Deathshaper (33%)

a_Chetari_Deathshaper (37%)

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

necropolis_19, range=167 (-225,-1181,-311)

an_entropy_serpent (50%)
an_entropy_serpent (50%)

necropolis_39, range=173 (-237,-845,-256)

a_Chetari_Deathbinder (50%)
a_Chetari_worker (50%)

necropolis_54, range=105 (-180,-912,-256)

a_Chetari_Dominator (50%)
a_Chetari_worker (50%)

necropolis_61, range=95 (-262,-1088,-288)

an_entropy_serpent (50%)
an_entropy_serpent (50%)

necropolis_72, range=162 (-137,-1164,-281)

an_entropy_serpent (50%)
an_entropy_serpent (50%)

necropolis_162, range=126 (-274,-911,-255)

a_Chetari_Deathshaper (100%)

an_inactive_trap_190081, range=170 (-292,-871,-248)

an_inactive_trap_190083, range=35 (-233,-999,-248)

an_inactive_trap_190085, range=29 (-176,-1000,-248)