NPCs composing that spawngroup :

a_Bloodmoon_spiderfang (100%)

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

bloodmoon80879, range=95 (408,-719,-34)

bloodmoon80887, range=87 (408,-733,-34)

bloodmoon80909, range=53 (434,-795,-45)

bloodmoon80910, range=36 (450,-790,-45)

bloodmoon80913, range=48 (446,-806,-45)

bloodmoon80922, range=50 (528,-801,-43)