NPCs composing that spawngroup :

a_young_thought_leech (100%)

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

thedeep1312239, range=134 (-377,-29,-92)

a_thought_leech_evoker (50%)
a_thought_leech_evoker (50%)

thedeep1312238, range=118 (-346,-37,-91)

a_thought_leech_evoker (50%)
a_thought_leech_spiriter (50%)

thedeep1312131, range=119 (-447,-139,-91)

a_thought_leech_evoker (50%)
a_thought_leech_spiriter (50%)

thedeep1312130, range=95 (-421,-132,-90)

a_thought_leech_evoker (50%)
a_young_thought_leech (50%)

thedeep1312129, range=98 (-407,-96,-91)

a_thought_leech_evoker (50%)
a_thought_leech_spiriter (50%)

thedeep1312128, range=124 (-442,-103,-91)

a_thought_leech_evoker (50%)
a_thought_leech_evoker (50%)

thedeep1312076, range=111 (-252,-72,-61)

thedeep1312070, range=196 (-453,-306,-68)

a_shrieker (100%)

thedeep1312058, range=138 (-250,-40,-58)

An_Enthralled_Underbulk (20%)
An_Enthralled_Underbulk (80%)

thedeep1312020, range=179 (-291,-330,-58)

an_enthralled_outcast (100%)

thedeep1312017, range=177 (-211,-288,-60)