NPCs composing that spawngroup :

#A_Swirling_Elemental_Force (3%)

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

poair2150129, range=49 (-462,988,5)

poair2150210, range=40 (-451,921,6)

poair2150212, range=63 (-421,945,6)

poair2150451, range=82 (-540,1005,6)