NPCs composing that spawngroup :

a_pyre_golem (25%)

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

charasis_66, range=56 (524,179,4)

charasis_67, range=69 (572,69,-14)

charasis_68, range=80 (566,59,-14)

charasis_70, range=85 (534,59,-14)

charasis_71, range=31 (533,139,4)

charasis_72, range=34 (549,108,4)