NPCs composing that spawngroup :

a_Chetari_servant (33%)

a_Chetari_warrior (34%)

a_Chetari_worker (33%)

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

necropolis_23, range=191 (-117,-2430,7)

a_phase_spider (50%)
a_phase_spider (50%)

necropolis_26, range=146 (147,-2450,7)

a_phase_spider (100%)

necropolis_27, range=82 (110,-2396,4)

a_Chetari_guard (100%)

necropolis_36, range=149 (-80,-2267,4)

a_Chetari_Deathbinder (50%)
a_Chetari_Dominator (50%)

necropolis_52, range=56 (7,-2376,15)

a_Chetari_Dustshaper (100%)

necropolis_53, range=48 (22,-2379,4)

a_Chetari_worker (100%)

necropolis_73, range=43 (49,-2382,-285)

a_lava_keeper (100%)
a_lava_keeper (100%)

necropolis_103, range=87 (66,-2253,-247)

necropolis_104, range=93 (25,-2249,-245)

a_Chetari_Deathbinder (50%)
a_Chetari_Dominator (50%)

necropolis_105, range=49 (5,-2320,-247)

a_Chetari_Scavenger (50%)
a_Chetari_worker (50%)

necropolis_106, range=16 (35,-2338,-246)

necropolis_135, range=58 (37,-2282,-245)