NPCs composing that spawngroup :

#a_frenzied_shiverback (17%)

#a_rotting_horror (17%)

an_enraged_shiverback (16%)

an_enraged_shiverback (17%)

a_shiverback (16%)

Dismay (17%)

NPCs spawning around that spawngroup :
(Max range : 100)

cazicthule_81, range=75 (235,370,29)

a_Tae_Ew_defender (100%)

cazicthule_117, range=86 (315,302,29)

cazicthule_131, range=71 (380,390,29)

cazicthule_74, range=96 (321,292,11)

cazicthule_70, range=17 (292,388,13)

cazicthule_67, range=69 (358,339,11)

cazicthule_40, range=65 (356,343,29)

a_Tae_Ew_defender (50%)
a_Tae_Ew_zealot (50%)

cazicthule_34, range=50 (357,402,29)

cazicthule_24, range=63 (301,325,29)

cazicthule_156, range=21 (288,385,45)

cazicthule_157, range=49 (357,376,29)

a_Tae_Ew_bloodcaller (50%)
a_Tae_Ew_lifestealer (50%)

cazicthule_158, range=77 (302,311,29)

cazicthule_159, range=67 (340,328,29)

cazicthule_160, range=76 (358,329,11)

cazicthule_161, range=51 (359,377,15)

a_Tae_Ew_spiritcaller (50%)
a_Tae_Ew_spiritcaller (50%)

cazicthule_162, range=15 (300,400,15)

a_shiverback (50%)
a_shiverback (50%)