NPCs composing that spawngroup :

An_Onyx_Drake (50%)

A_Ruby_Drake (50%)

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

skyshrine_4, range=55 (420,745,331)

An_Elder_Emerald_Drake (50%)
An_Elder_Shimmering_Drake (50%)

skyshrine_5, range=36 (420,835,339)

Jualicn (100%)

skyshrine_16, range=41 (470,809,205)

skyshrine_22, range=90 (510,840,212)

An_Old_Racnar (50%)
A_Shrine_Protector (50%)

skyshrine_297, range=99 (346,855,45)

An_Old_Racnar (50%)
A_Shrine_Protector (50%)

skyshrine_303, range=30 (459,800,45)

An_Emerald_Drake (50%)
An_Emerald_Drake (50%)

skyshrine_305, range=72 (401,733,45)

An_Onyx_Drake (50%)
A_Shimmering_Drake (50%)

skyshrine_306, range=88 (487,733,45)

A_Ruby_Drake (50%)
A_Shimmering_Drake (50%)

Laoch_Nablibx_189855, range=93 (518,772,215)

Laoch_Nablibx (100%)

skyshrine_112949, range=96 (347,749,50)

Blodoc_Fe`Dhar (100%)

skyshrine_112957, range=98 (521,836,215)

Laoch_Drazifs (100%)