NPCs composing that spawngroup :

An_Enthralled_Razorfiend (34%)

An_Enthralled_Underbulk (33%)

An_Enthralled_Underbulk (33%)

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

thedeep1312219, range=101 (-90,1590,-58)

An_Enthralled_Underbulk (20%)
An_Enthralled_Underbulk (80%)

thedeep1312218, range=47 (-128,1551,-59)

An_Enthralled_Underbulk (100%)

thedeep1312217, range=33 (-165,1554,-58)

An_Enthralled_Underbulk (100%)

thedeep1312215, range=140 (-100,1397,-59)

an_ancient_shrieker (100%)

thedeep1312171, range=156 (-69,1398,-62)

thedeep1312170, range=123 (-65,1594,-61)

thedeep1312157, range=171 (-44,1399,-62)

an_ancient_shrieker (50%)
an_ancient_shrieker (50%)

thedeep1312152, range=128 (-78,1427,-59)

an_ancient_shrieker (100%)

thedeep1312151, range=146 (-69,1410,-62)

an_ancient_shrieker (50%)
an_ancient_shrieker (50%)

thedeep1312033, range=179 (-288,1652,-56)

a_horror_guard (100%)

thedeep1312032, range=166 (-264,1655,-58)

a_thought_horror_evoker (100%)

thedeep1312031, range=152 (-278,1623,-59)

a_thought_horror (100%)
a_thought_horror_evoker (2%)

thedeep1312017, range=11 (-155,1516,-62)