NPCs composing that spawngroup :

Jaled_Dar`s_shade (100%)

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

necropolis_42, range=162 (1695,3,-155)

an_amorphous_mass (50%)
an_amorphous_mass (50%)

necropolis_43, range=117 (1488,-56,-155)

an_amorphous_mass (100%)
an_amorphous_mass (100%)

necropolis_45, range=123 (1555,-238,-155)

an_amorphous_mass (50%)
an_amorphous_mass (50%)

necropolis_47, range=120 (1480,-64,-155)

an_amorphous_mass (50%)
an_amorphous_mass (50%)

necropolis_92, range=152 (1701,-18,-155)

necropolis_138, range=150 (1453,-188,-155)

necropolis_156, range=133 (1547,-246,-155)

an_amorphous_mass (50%)
an_amorphous_mass (50%)

necropolis_157, range=65 (1526,-96,-153)

an_amorphous_mass (100%)

an_inactive_trap_190125, range=121 (1481,-59,-148)

an_inactive_trap_190126, range=142 (1488,-221,-281)

an_inactive_trap (100%)

an_inactive_trap_190127, range=188 (1503,-288,-142)

an_inactive_trap_190130, range=32 (1603,-91,-153)

A_Guardian_of_the_Sh_190132, range=147 (1529,17,121)

Echoman_190133, range=59 (1586,-60,8)

Echoman (100%)

an_empty_nest_190165, range=194 (1450,19,3)

an_empty_nest (25%)
a_nest (75%)

an_empty_nest_190166, range=14 (1573,-122,-153)

an_empty_nest (100%)