NPCs composing that spawngroup :

#Soul_Siphon (5%)

a_lifestealer_mosquito (95%)

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

cazicthule_82, range=52 (949,-112,45)

a_Tae_Ew_fanatic (100%)

cazicthule_112, range=67 (915,-1,-75)

a_lifestealer_mosquito (50%)
a_lifestealer_mosquito (50%)

cazicthule_113, range=50 (960,-11,-176)

a_pool_of_slime (50%)
a_swirling_ooze (50%)

cazicthule_123, range=85 (995,-132,59)

a_Tae_Ew_zealot (100%)

cazicthule_48, range=24 (963,-41,-176)

a_swirling_ooze (50%)
a_swirling_ooze (50%)

cazicthule_4, range=65 (987,-8,-76)

cazicthule_166, range=73 (939,-133,60)

#a_Thul_Tae_Ew_torturer (10%)
a_Thul_Tae_Ew_defender (90%)

a_sickly_mosquito, range=39 (987,-60,-73)

a_sickly_mosquito (100%)

cazicthule_222968, range=0 (948,-60,-79)

cazicthule_222981, range=65 (987,-8,-76)

cazicthule_223064, range=24 (963,-41,-176)

cazicthule_223115, range=52 (949,-112,45)

a_lizard_fanatic (100%)

cazicthule_223162, range=67 (915,-1,-75)

a_sewer_mosquito (33%)
a_sewer_mosquito (33%)

cazicthule_223165, range=50 (960,-11,-176)

an_alligator (100%)

cazicthule_223181, range=85 (995,-132,59)

a_lizard_zealot (100%)

cazicthule_223239, range=73 (939,-133,60)

a_lizard_crusader (50%)
a_lizard_defender (50%)

cazicthule_287761, range=44 (934,-18,-176)