NPCs composing that spawngroup :

An_Enthralled_Underbulk (100%)

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

thedeep1312284, range=129 (-644,-309,-92)

a_shrieker (50%)
a_shrieker (50%)
a_shrieker (50%)
a_shrieker (50%)

thedeep1312259, range=187 (-696,-339,-86)

An_Enthralled_Razorfiend (100%)

thedeep1312220, range=181 (-561,-104,-86)

An_Enthralled_Razorfiend (50%)
An_Enthralled_Razorfiend (50%)

thedeep1312181, range=122 (-632,-324,-93)

thedeep1312180, range=124 (-642,-292,-94)

a_shrieker (50%)
a_shrieker (50%)

thedeep1312135, range=23 (-499,-294,-77)

thedeep1312134, range=173 (-533,-107,-89)

An_Enthralled_Razorfiend (100%)

thedeep1312131, range=157 (-447,-139,-91)

a_thought_leech_evoker (50%)
a_thought_leech_spiriter (50%)

thedeep1312130, range=176 (-421,-132,-90)

a_thought_leech_evoker (50%)
a_young_thought_leech (50%)

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

a_thought_leech_evoker (50%)
a_thought_leech_evoker (50%)

thedeep1312070, range=70 (-453,-306,-68)

a_shrieker (100%)

thedeep1312051, range=153 (-380,-348,-54)

an_enthralled_outcast (50%)
An_Enthralled_Razorfiend (50%)

thedeep1312019, range=133 (-399,-341,-56)

An_Enthralled_Razorfiend (50%)
An_Enthralled_Razorfiend (50%)

thedeep1312017, range=110 (-627,-296,-94)