NPCs composing that spawngroup :

a_shambling_cube (100%)

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

skyshrine_1, range=84 (480,623,329)

#Eldriaks_Fe`Dhar (100%)

skyshrine_4, range=150 (420,745,331)

an_elder_emerald_drake (50%)
an_elder_shimmering_drake (50%)

skyshrine_15, range=172 (683,780,222)

An_Old_Racnar (100%)

skyshrine_16, range=83 (470,694,205)

skyshrine_17, range=194 (739,626,222)

A_Shrine_Protector (100%)

skyshrine_18, range=64 (510,720,212)

skyshrine_22, range=174 (510,840,212)

An_Old_Racnar (50%)
A_Shrine_Protector (50%)

skyshrine_289, range=181 (730,690,351)

skyshrine_298, range=187 (513,486,38)

An_Old_Racnar (50%)
A_Shrine_Protector (50%)

skyshrine_302, range=91 (525,582,38)

A_Frozen_Cube (50%)
A_Frozen_Cube (50%)

skyshrine_303, range=158 (459,800,45)

An_Emerald_Drake (50%)
An_Emerald_Drake (50%)

skyshrine_304, range=177 (429,800,45)

An_Onyx_Drake (50%)
A_Ruby_Drake (50%)

skyshrine_305, range=161 (401,733,45)

An_Onyx_Drake (50%)
A_Shimmering_Drake (50%)

skyshrine_306, range=89 (487,733,45)

A_Ruby_Drake (50%)
A_Shimmering_Drake (50%)

skyshrine_307, range=160 (659,788,45)

An_Emerald_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_308, range=196 (707,788,45)

An_Emerald_Drake (50%)
An_Icy_Drake (50%)

Placlis_189842, range=98 (483,598,339)

Placlis (100%)

Laoch_Nablibx_189855, range=106 (518,772,215)

Laoch_Nablibx (100%)

skyshrine_112953, range=187 (515,486,42)

Veobryn_Fe`Dhar (100%)

skyshrine_112955, range=192 (739,634,222)

Elder_Kalur (100%)

skyshrine_112956, range=49 (526,713,215)

Laoch_Maljix (100%)

skyshrine_112957, range=168 (521,836,215)

Laoch_Drazifs (100%)