NPCs composing that spawngroup :

An_Enthralled_Underbulk (35%)

An_Enthralled_Underbulk (35%)

Deranged_Underbulk (30%)

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

thedeep1312246, range=186 (-71,-26,-61)

a_shrieker (34%)
a_shrieker (33%)
a_shrieker (33%)

thedeep1312239, range=132 (-377,-29,-92)

a_thought_leech_evoker (50%)
a_thought_leech_evoker (50%)

thedeep1312238, range=100 (-346,-37,-91)

a_thought_leech_evoker (50%)
a_thought_leech_spiriter (50%)

thedeep1312237, range=192 (-347,95,-62)

thedeep1312183, range=111 (-328,-154,-126)

a_young_thought_leech (100%)

thedeep1312130, range=179 (-421,-132,-90)

a_thought_leech_evoker (50%)
a_young_thought_leech (50%)

thedeep1312129, range=156 (-407,-96,-91)

a_thought_leech_evoker (50%)
a_thought_leech_spiriter (50%)

thedeep1312128, range=192 (-442,-103,-91)

a_thought_leech_evoker (50%)
a_thought_leech_evoker (50%)

thedeep1312075, range=100 (-186,4,-57)

an_enthralled_outcast (100%)

thedeep1312062, range=174 (-82,-31,-60)

a_shrieker (100%)

thedeep1312061, range=179 (-88,1,-59)

a_shrieker (50%)
a_shrieker (50%)

thedeep1312058, range=32 (-250,-40,-58)

An_Enthralled_Underbulk (20%)
An_Enthralled_Underbulk (80%)

thedeep1312017, range=98 (-213,18,-58)

a_thought_leech_evoc_1433246, range=183 (-325,96,-62)

a_thought_leech_evoker (100%)