NPCs composing that spawngroup :

a_shrouded_willsapper (33%)

a_shrouded_willsapper (34%)

a_shrouded_willsapper (33%)

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

griegsend1304041, range=45 (-111,3291,-34)

griegsend1304030, range=59 (-111,3197,-34)

a_shrouded_willsapper (50%)
a_shrouded_willsapper (50%)

griegsend1304016, range=80 (-82,3332,-25)

a_shrouded_willsapper (50%)
a_shrouded_willsapper (50%)

griegsend1304013, range=76 (-12,3252,-25)

griegsend_282479, range=81 (-168,3266,-35)

Your_progress (100%)

griegsend_225088_takp_import_v0, range=87 (-175,3241,-29)

griegsend_An_Atra_Somnium9_takp_import_v0, range=42 (-60,3284,-25)

An_Atra_Somnium (100%)

griegsend_A_Dark_Sending_0_takp_import_v0, range=26 (-62,3245,-25)

A_Dark_sending_ (100%)
A_Dark_sending_ (100%)

griegsend intermittent fake sendings_takp_import_v0, range=34 (-54,3253,-25)

A_Dark_sending_ (50%)
A_Dark_Sending_ (50%)

griegsend intermittent you_takp_import_v0, range=37 (-122,3237,-34)

You (50%)
You (50%)

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