NPCs composing that spawngroup :

a_thought_leech_evoker (34%)

a_thought_leech_spiriter (33%)

a_thought_leech_spiriter (33%)

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

thedeep1312277, range=124 (-446,494,-61)

a_shrieker (100%)

thedeep1312274, range=26 (-510,364,-57)

a_thought_leech_evoker (50%)
a_young_thought_leech (50%)

thedeep1312247, range=99 (-481,277,-137)

An_Enthralled_Razorfiend (100%)

thedeep1312246, range=90 (-472,465,-62)

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

thedeep1312236, range=165 (-330,320,-57)

a_thought_leech_evoker (50%)
a_young_thought_leech (50%)

thedeep1312235, range=172 (-329,304,-59)

An_Enthralled_Underbulk (50%)
a_thought_leech_spiriter (50%)

thedeep1312166, range=25 (-508,389,-57)

a_thought_leech_evoker (50%)
a_thought_leech_evoker (50%)

thedeep1312165, range=64 (-510,436,-61)

a_hideous_thought_leech (100%)

thedeep1312137, range=102 (-500,478,-61)

a_shrieker (50%)
a_shrieker (50%)

thedeep1312088, range=161 (-509,536,-62)

a_thought_leech_spiriter (100%)

thedeep1312049, range=155 (-465,530,-62)

a_thought_leech_evoc_1433243, range=16 (-482,392,-57)

a_thought_leech_evoker (100%)

a_thought_leech_evoc_1433244, range=169 (-468,545,-64)

a_thought_leech_evoker (100%)

a_thought_leech_evoc_1433245, range=166 (-445,537,-63)

a_thought_leech_evoker (100%)

a_thought_leech_evoc_1433247, range=184 (-317,302,-56)

a_thought_leech_evoker (100%)