NPCs composing that spawngroup :

an_owlbear_fleshrender (25%)

an_owlbear_gatherer (25%)

an_owlbear_ravager (25%)

an_owlbear_razorclaw (25%)

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

HollowshGremlina_grimling_my04, range=20 (-2515,-443,30)

a_grimling_mystic (100%)

HollowshGremlina_grimling_look, range=58 (-2569,-500,23)

a_grimling_lookout (100%)
a_grimling_lookout (100%)

HollowshGremlina_grimling_over, range=80 (-2566,-529,23)

a_grimling_overseer (100%)

HollowshGremlina_grimling_thie, range=0 (-2526,-459,18)

a_grimling_thief (100%)

HollowshOwls_oversee, range=80 (-2566,-529,23)

an_owlbear_bonegrinder (100%)

HollowshOwls_lookout, range=58 (-2569,-500,23)

an_owlbear_ravager (100%)
an_owlbear_ravager (100%)

HollowshOwls_004, range=20 (-2515,-443,30)

an_owlbear_bonegrinder (100%)

HollowshWolvesa__oversee, range=80 (-2566,-529,23)

HollowshWolvesa__lookout, range=58 (-2569,-500,23)

HollowshWolvesa__thief00, range=0 (-2526,-459,18)

HollowshWolvesa_mystic50, range=20 (-2515,-443,30)