NPCs composing that spawngroup :

an_enraged_spiderling (100%)

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

illsalin64940, range=44 (-1925,102,67)

illsalin64941, range=34 (-1925,114,67)

illsalin64942, range=31 (-1933,111,-92)

illsalin64946, range=57 (-1949,82,70)

illsalin64948, range=27 (-1947,166,67)

illsalin64950, range=12 (-1957,149,67)

illsalin64951, range=92 (-1971,49,67)

illsalin64953, range=79 (-2011,88,-52)

illsalin64966, range=31 (-1933,111,-92)