NPCs composing that spawngroup :

#a_swirling_red_mass (2%)

a_pool_of_slime (48%)

a_swirling_ooze (50%)

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

cazicthule pool_of_slime and swirling ooze, range=28 (530,376,-80)

a_pool_of_slime (40%)
a_swirling_ooze (60%)

cazicthule ooze and swirling ooze, range=92 (647,356,-68)

an_ooze (60%)
a_swirling_ooze (40%)

cazicthule_448147, range=28 (544,406,-69)

an_alligator (100%)

cazicthule_448148, range=33 (530,400,-69)

an_alligator (50%)
an_alligator (50%)

cazicthule_448154, range=43 (517,366,-65)