NPCs composing that spawngroup :

a_temple_guardian (100%)

NPCs spawning around that spawngroup :
(Max range : 200)

poair2150097, range=166 (429,-976,8)

poair2150098, range=49 (552,-827,8)

poair2150166, range=182 (632,-956,5)

poair2150167, range=182 (605,-978,8)

poair2150194, range=109 (440,-916,5)

poair2150201, range=158 (599,-953,5)

poair2150272, range=193 (605,-663,440)

poair2150332, range=74 (525,-899,8)