NPCs composing that spawngroup :

#Fire_Goblin_Tracker (50%)

a_Delve_champion (50%)

a_Delve_champion (50%)

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

delveb3420023, range=29 (790,-261,3)

delveb3420024, range=33 (844,-259,3)

delveb3420113, range=7 (809,-274,3)

a_Delve_evoker (50%)
a_Delve_evoker (50%)

delveb3420133, range=66 (749,-272,3)

a_Delve_cleric (50%)
a_Delve_cleric (50%)

delveb_monocle_1_51, range=30 (790,-260,2)

a_Delve_sneak (50%)

delveb_monocle_1_52, range=33 (844,-258,2)

a_Delve_cleric (50%)

delveb_monocle_1_72, range=1 (816,-275,2)

a_Delve_sneak (50%)

delveb_monocle_2_47, range=30 (790,-260,2)

a_Delve_cleric (50%)
a_Delve_cleric (50%)

delveb_monocle_2_48, range=33 (844,-258,2)

a_Delve_shaman (50%)
a_Delve_shaman (50%)

delveb_monocle_4_51, range=30 (790,-260,2)

a_Delve_cleric (50%)

delveb_monocle_4_52, range=33 (844,-258,2)

a_Delve_champion (50%)

delveb_monocle_4_72, range=1 (816,-275,2)

a_Delve_cleric (50%)

delveb_monocle_3_47, range=30 (790,-260,2)

a_Delve_sneak (50%)

delveb_monocle_3_48, range=33 (844,-258,2)

a_Delve_evoker (50%)

delveb_monocle_3_68, range=1 (816,-275,2)

a_Delve_champion (50%)

delveb_monocle_6_47, range=30 (790,-260,2)

a_Delve_champion (50%)

delveb_monocle_6_48, range=33 (844,-258,2)

a_Delve_shaman (50%)