NPCs composing that spawngroup :

an_eyeless_gnawer (25%)

a_ravaging_burrower (25%)

a_ravaging_burrower (25%)

a_ravaging_burrower (25%)

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

pojustice2010171, range=58 (-1128,-587,-29)

pojustice2010172, range=59 (-1055,-629,-29)

an_eyeless_gnawer (50%)
an_eyeless_gnawer (50%)

pojustice2010173, range=76 (-1073,-709,-28)

pojustice2010174, range=78 (-1149,-714,-28)

pojustice2010175, range=63 (-1176,-645,-28)

an_eyeless_gnawer (50%)
a_ravaging_burrower (50%)

pojustice2010178, range=95 (-1177,-573,-28)