NPCs composing that spawngroup :

an_elder_lavaspinner (50%)

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

delvea3410159, range=50 (-932,-952,16)

delvea3410163, range=0 (-885,-932,18)

delvea3410188, range=23 (-907,-941,16)

a_reclusive_lavaspinner (50%)
a_reclusive_lavaspinner (50%)

delvea_monocle_2_20, range=50 (-931,-951,14)

an_elder_lavaspinner (50%)
an_elder_lavaspinner (50%)

delvea_monocle_2_28, range=78 (-890,-1009,16)

an_elder_lavaspinner (50%)
an_elder_lavaspinner (50%)

delvea_monocle_2_29, range=0 (-885,-931,18)

an_elder_lavaspinner (50%)
an_elder_lavaspinner (50%)

delvea_monocle_3_21, range=50 (-931,-951,14)

an_elder_lavaspinner (50%)

delvea_monocle_3_29, range=78 (-890,-1009,16)

an_elder_lavaspinner (50%)

delvea_monocle_3_30, range=0 (-885,-931,18)

an_elder_lavaspinner (50%)

delvea_monocle_4_136, range=78 (-890,-1009,16)

an_elder_lavaspinner (50%)

delvea_monocle_4_140, range=0 (-885,-931,18)

an_elder_lavaspinner (50%)

delvea_monocle_7_21, range=50 (-931,-951,14)

an_elder_lavaspinner (50%)

delvea_monocle_7_29, range=78 (-890,-1009,16)

an_elder_lavaspinner (50%)

delvea_monocle_7_30, range=0 (-885,-931,18)

a_reclusive_lavaspinner (50%)

delvea_monocle_8_3, range=50 (-931,-951,14)

a_reclusive_lavaspinner (50%)

delvea_monocle_8_11, range=78 (-890,-1009,16)

an_elder_lavaspinner (50%)