NPCs composing that spawngroup :

An_Onyx_Drake (50%)

A_Ruby_Drake (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

skyshrine_9, range=60 (916,194,202)

An_Elite_Onyx_Drake (50%)
An_Elite_Shimmering_Drake (50%)

skyshrine_15, range=165 (800,265,202)

An_Old_Racnar (100%)
An_Old_Racnar (100%)

skyshrine_18, range=127 (855,253,202)

skyshrine_21, range=14 (916,135,202)

An_Elite_Icy_Drake (50%)
An_Elite_Onyx_Drake (50%)

skyshrine_22, range=118 (903,253,202)

An_Old_Racnar (50%)
A_Shrine_Protector (50%)

skyshrine_42, range=60 (902,195,27)

An_Onyx_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_69, range=158 (968,279,47)

An_Emerald_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_70, range=186 (1020,279,47)

An_Onyx_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_127, range=129 (942,12,339)

Gribin_Vor`Tun (50%)
Gribin_Vor`Tun (50%)

skyshrine_129, range=189 (842,-45,264)

Coresc_Vor`Tun (50%)
Coresc_Vor`Tun (50%)

The_Seer_189957, range=181 (777,267,205)

The_Seer (100%)