NPCs composing that spawngroup :

Lavaspinner_Protector (50%)

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

delvea3410003, range=26 (-1347,-967,-80)

delvea3410004, range=43 (-1337,-1024,-80)

an_elder_lavaspinner (50%)
an_elder_lavaspinner (50%)

delvea3410005, range=39 (-1289,-966,-80)

an_elder_lavaspinner (50%)
a_reclusive_lavaspinner (50%)

delvea3410006, range=87 (-1281,-1058,-97)

an_elder_lavaspinner (50%)
an_elder_lavaspinner (50%)

delvea_monocle_2_52, range=39 (-1289,-965,-80)

a_reclusive_lavaspinner (50%)

delvea_monocle_2_53, range=26 (-1346,-966,-80)

an_elder_lavaspinner (50%)

delvea_monocle_2_54, range=42 (-1336,-1023,-80)

an_elder_lavaspinner (50%)

delvea_monocle_2_57, range=87 (-1280,-1057,-97)

an_elder_lavaspinner (50%)

delvea_monocle_3_57, range=39 (-1289,-965,-80)

an_elder_lavaspinner (50%)

delvea_monocle_3_58, range=26 (-1346,-966,-80)

an_elder_lavaspinner (50%)

delvea_monocle_3_59, range=42 (-1336,-1023,-80)

a_reclusive_lavaspinner (50%)

delvea_monocle_3_62, range=87 (-1280,-1057,-97)

an_elder_lavaspinner (50%)

delvea_monocle_4_81, range=42 (-1336,-1023,-80)

an_elder_lavaspinner (50%)

delvea_monocle_4_82, range=26 (-1346,-966,-80)

an_elder_lavaspinner (50%)

delvea_monocle_4_89, range=87 (-1280,-1057,-97)

an_elder_lavaspinner (50%)

delvea_monocle_4_93, range=39 (-1289,-965,-80)

a_reclusive_lavaspinner (50%)

delvea_monocle_7_57, range=39 (-1289,-965,-80)

an_elder_lavaspinner (50%)

delvea_monocle_7_58, range=26 (-1346,-966,-80)

an_elder_lavaspinner (50%)

delvea_monocle_7_59, range=42 (-1336,-1023,-80)

a_reclusive_lavaspinner (50%)

delvea_monocle_7_62, range=87 (-1280,-1057,-97)

an_elder_lavaspinner (50%)

delvea_monocle_8_39, range=39 (-1289,-965,-80)

a_reclusive_lavaspinner (50%)

delvea_monocle_8_40, range=26 (-1346,-966,-80)

an_elder_lavaspinner (50%)

delvea_monocle_8_41, range=42 (-1336,-1023,-80)

an_elder_lavaspinner (50%)

delvea_monocle_8_44, range=87 (-1280,-1057,-97)

a_reclusive_lavaspinner (50%)