NPCs composing that spawngroup :

a_Chetari_guard (100%)

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

Vaniki, range=165 (576,-701,-196)

Vaniki (10%)
Vaniki_placeholder (90%)

necropolis_6, range=160 (588,-708,-195)

necropolis_8, range=166 (775,-456,7)

a_phase_spider (50%)
a_phase_spider (50%)

necropolis_15, range=194 (733,-807,7)

necropolis_53, range=58 (755,-656,-256)

a_Chetari_worker (100%)

necropolis_116, range=27 (701,-635,-256)

a_Chetari_guard (100%)

necropolis_120, range=104 (636,-680,-255)

a_Chetari_Dominator (50%)
a_Chetari_Dustshaper (50%)

necropolis_154, range=124 (820,-681,-255)

a_Chetari_warrior (50%)
a_Chetari_warrior (50%)

an_inactive_trap_190106, range=113 (812,-673,-253)