NPCs composing that spawngroup :

a_Delve_diviner (50%)

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

delvea3410055, range=0 (70,-1307,27)

a_Delve_drake (50%)
a_Delve_drake (50%)

delvea3410056, range=70 (6,-1275,24)

a_domesticated_basilisk (50%)
a_domesticated_basilisk (50%)

delvea3410146, range=86 (40,-1387,-73)

a_domesticated_basilisk (50%)
a_domesticated_basilisk (50%)

delvea3410147, range=69 (2,-1324,-70)

a_domesticated_basilisk (50%)
a_domesticated_basilisk (50%)

delvea3410187, range=95 (154,-1262,26)

delvea_monocle_1_55, range=0 (70,-1306,27)

a_Delve_drake (50%)

delvea_monocle_1_56, range=71 (6,-1274,27)

a_Delve_spellbinder (50%)

delvea_monocle_1_57, range=36 (33,-1309,24)

a_Delve_diviner (50%)

delvea_monocle_1_82, range=70 (0,-1314,-66)

a_drake_egg (50%)

delvea_monocle_1_90, range=86 (40,-1387,-71)

a_Delve_spellbinder (50%)

delvea_monocle_1_91, range=70 (2,-1324,-68)

a_Delve_diviner (50%)

delvea_monocle_4_102, range=86 (40,-1387,-71)

a_Delve_drake (50%)

delvea_monocle_4_109, range=0 (70,-1306,27)

a_Delve_drake (50%)

delvea_monocle_4_115, range=70 (2,-1324,-68)

a_Delve_diviner (50%)

delvea_monocle_4_119, range=71 (6,-1274,27)

a_Delve_drake (50%)

delvea_monocle_5_55, range=0 (70,-1306,27)

a_Delve_evoker (50%)

delvea_monocle_5_56, range=71 (6,-1274,27)

a_Delve_drake (50%)

delvea_monocle_5_57, range=40 (50,-1342,17)

a_Delve_diviner (50%)

delvea_monocle_5_82, range=70 (0,-1314,-66)

a_drake_egg (50%)

delvea_monocle_5_90, range=86 (40,-1387,-71)

a_Delve_spellbinder (50%)

delvea_monocle_5_91, range=70 (2,-1324,-68)

a_Delve_drake (50%)

delvea_monocle_6_11, range=48 (98,-1267,-3)

lava_rock (50%)

delvea_monocle_6_77, range=71 (6,-1274,27)

a_Delve_evoker (50%)

delvea_monocle_6_78, range=34 (40,-1324,20)

a_Delve_drake (50%)

delvea_monocle_6_91, range=86 (40,-1387,-71)

a_Delve_drake (50%)

delvea_monocle_6_92, range=70 (2,-1324,-68)

a_Delve_diviner (50%)