NPCs composing that spawngroup :

a_sonic_ravager (33%)

a_sonic_stalker (33%)

a_sonic_stalker (34%)

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

HollowshGremlin1328075, range=47 (-1796,-498,-81)

HollowshGremlin1328073, range=0 (-1840,-516,-99)

HollowshGremlin1328071, range=36 (-1816,-544,-97)

HollowshOwls2428071, range=36 (-1816,-544,-97)

HollowshOwls2428073, range=0 (-1840,-516,-99)

an_owlbear_ravager (33%)
an_owlbear_ravager (34%)

HollowshOwls2428075, range=47 (-1796,-498,-81)

HollowshWolves1328071, range=36 (-1816,-544,-97)

HollowshWolves1328075, range=47 (-1796,-498,-81)