NPCs composing that spawngroup :

an_elder_shrine_golem (100%)

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

skyshrine_15, range=148 (828,1037,222)

skyshrine_18, range=162 (739,741,222)

skyshrine_19, range=172 (645,955,222)

skyshrine_22, range=42 (775,860,222)

An_Old_Racnar (50%)
A_Shrine_Protector (50%)

skyshrine_48, range=92 (880,944,47)

An_Icy_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_49, range=178 (782,1067,67)

An_Icy_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_57, range=164 (829,1053,47)

An_Onyx_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_58, range=51 (832,846,47)

An_Emerald_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_59, range=176 (960,806,47)

An_Emerald_Drake (50%)
An_Icy_Drake (50%)

skyshrine_139, range=101 (707,918,67)

An_Icy_Drake (50%)
A_Shimmering_Drake (50%)

skyshrine_140, range=148 (659,918,67)

An_Emerald_Drake (50%)
An_Icy_Drake (50%)

skyshrine_307, range=178 (659,788,45)

An_Emerald_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_308, range=141 (707,788,45)

An_Emerald_Drake (50%)
An_Icy_Drake (50%)

skyshrine_112958, range=60 (764,846,223)

Talgixn_Fe`Dhar (100%)

skyshrine_113092, range=58 (759,926,223)

Eldriaks_Fe`Dhar (100%)