NPCs composing that spawngroup :

bristleweb_spider (33%)

ravener (34%)

strathbone_spider (33%)

NPCs spawning around that spawngroup :
(Max range : 100)

kaesora_6, range=19 (147,81,-61)

kaesora_7, range=23 (135,40,-61)

bristleweb_spider (50%)
strathbone_healer (50%)

kaesora_8, range=80 (148,142,-64)

kaesora_9, range=31 (175,71,-61)

kaesora_12, range=27 (120,74,-61)

briarweb_spider (50%)
ravener (50%)

kaesora_28, range=79 (88,117,35)

minion_of_Xalgoz (50%)
spectral_guardian (50%)

kaesora_a_sathirian_guard000_16331905, range=57 (198,40,50)

a_sathirian_guard (100%)

kaesora_a_sathirian_guard001_16519004, range=76 (199,7,19)

a_sathirian_guard (100%)

kaesora_a_sathirian_guard002_16693787, range=83 (144,-22,2)

a_sathirian_guard (100%)