NPCs composing that spawngroup :

a_spite_golem (33%)

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

spawn24322, range=65 (468,157,103)

spawn24313, range=86 (575,98,128)

spawn24302, range=48 (518,134,128)

spawn20352, range=98 (459,1,6)

spawn17989, range=58 (456,47,6)

spawn16735, range=60 (445,54,5)

A_blood_189320, range=88 (471,8,101)