NPCs composing that spawngroup :

Screeching (100%)

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

griegsend1304043, range=82 (-175,3139,-47)

griegsend1304040, range=79 (-228,3291,-34)

griegsend1304036, range=77 (-261,3154,-47)

a_soldier_of_madness (50%)
a_soldier_of_madness (50%)

griegsend1304035, range=51 (-256,3237,-47)

griegsend1304029, range=23 (-228,3197,-34)

a_shrouded_willsapper (50%)
a_shrouded_willsapper (50%)

griegsend_282472, range=94 (-305,3211,-48)

You_walk (100%)

griegsend_282479, range=68 (-168,3266,-35)

Your_progress (100%)

griegsend_225088_takp_import_v0, range=45 (-175,3241,-29)

griegsend What Sendings_takp_import_v0, range=77 (-288,3223,-47)

griegsend_A_Dark_Sending3_takp_import_v0, range=13 (-223,3218,-34)

A_Dark_Sending (100%)
A_Dark_Sending (100%)

griegsend_A_Dark_Sending_0_takp_import_v0, range=13 (-215,3226,-34)

A_Dark_sending_ (100%)

griegsend fake sending something_takp_import_v0, range=13 (-215,3226,-34)

griegsend what vision_takp_import_v0, range=89 (-166,3136,-47)

A_Dark_Vision (50%)
What (50%)

griegsend intermittent you_takp_import_v0, range=92 (-122,3237,-34)

You (50%)
You (50%)

griegsend An_Umbral_Somnium spawns_takp_import_v0, range=83 (-166,3283,-34)