NPCs composing that spawngroup :

a_Delve_drake (50%)

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

delvea3410110, range=49 (384,-1869,19)

a_Delve_drake (50%)
a_Delve_drake (50%)

delvea3410111, range=78 (323,-1856,17)

delvea3410112, range=59 (335,-1808,15)

a_domesticated_basilisk (50%)
a_domesticated_basilisk (50%)

delvea3410113, range=0 (393,-1819,18)

a_Delve_drake (50%)
a_Delve_drake (50%)

delvea3410139, range=82 (454,-1765,10)

a_Delve_diviner (50%)
a_Delve_diviner (50%)

delvea_monocle_1_16, range=49 (384,-1868,18)

a_Delve_spellbinder (50%)

delvea_monocle_1_17, range=78 (323,-1855,17)

a_Delve_spellbinder (50%)

delvea_monocle_1_18, range=59 (335,-1807,18)

a_Delve_drake (50%)

delvea_monocle_1_19, range=0 (393,-1819,18)

a_Delve_diviner (50%)

delvea_monocle_1_45, range=82 (454,-1764,10)

a_Delve_drake (50%)

delvea_monocle_1_74, range=79 (314,-1830,14)

a_drake_egg (50%)

delvea_monocle_4_7, range=49 (384,-1868,18)

a_Delve_drake (50%)

delvea_monocle_4_12, range=0 (393,-1819,18)

a_Delve_evoker (50%)

delvea_monocle_4_13, range=82 (454,-1764,10)

a_Delve_drake (50%)

delvea_monocle_4_14, range=78 (323,-1855,17)

a_Delve_drake (50%)

delvea_monocle_4_19, range=59 (335,-1807,18)

a_Delve_spellbinder (50%)

delvea_monocle_5_16, range=49 (384,-1868,18)

a_Delve_drake (50%)

delvea_monocle_5_17, range=78 (323,-1855,17)

a_Delve_evoker (50%)

delvea_monocle_5_18, range=59 (335,-1807,18)

a_Delve_drake (50%)

delvea_monocle_5_45, range=82 (454,-1764,10)

a_Delve_spellbinder (50%)

delvea_monocle_5_74, range=79 (314,-1830,14)

a_drake_egg (50%)

delvea_monocle_6_16, range=59 (347,-1781,-6)

lava_rock (50%)

delvea_monocle_6_17, range=31 (385,-1849,-5)

lava_rock (50%)

delvea_monocle_6_37, range=49 (384,-1868,18)

a_Delve_diviner (50%)

delvea_monocle_6_38, range=78 (323,-1855,17)

a_Delve_drake (50%)

delvea_monocle_6_39, range=59 (335,-1807,18)

a_Delve_evoker (50%)

delvea_monocle_6_40, range=0 (393,-1819,18)

a_Delve_evoker (50%)

delvea_monocle_6_66, range=82 (454,-1764,10)

a_Delve_spellbinder (50%)