NPCs composing that spawngroup :

An_Old_Racnar (100%)

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

skyshrine_13, range=189 (896,1214,242)

An_Elite_Emerald_Drake (50%)
An_Elite_Shimmering_Drake (50%)

skyshrine_14, range=185 (970,1157,222)

An_Elite_Emerald_Drake (50%)
An_Elite_Onyx_Drake (50%)

skyshrine_18, range=151 (970,985,222)

skyshrine_22, range=184 (775,860,222)

An_Old_Racnar (50%)
A_Shrine_Protector (50%)

skyshrine_33, range=169 (683,1124,67)

An_Emerald_Drake (50%)
A_Ruby_Drake (50%)

skyshrine_46, range=171 (788,1204,67)

An_Emerald_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_48, range=106 (880,944,47)

An_Icy_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_49, range=54 (782,1067,67)

An_Icy_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_52, range=181 (870,1214,67)

A_Ruby_Drake (50%)
A_Shimmering_Drake (50%)

skyshrine_53, range=182 (970,1152,47)

An_Icy_Drake (50%)
A_Ruby_Drake (50%)

skyshrine_54, range=129 (955,1060,47)

An_Emerald_Drake (50%)
A_Ruby_Drake (50%)

skyshrine_57, range=16 (829,1053,47)

An_Onyx_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_58, range=191 (832,846,47)

An_Emerald_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_139, range=169 (707,918,67)

An_Icy_Drake (50%)
A_Shimmering_Drake (50%)

skyshrine_289, range=148 (805,890,351)

an_elder_shrine_golem (100%)
an_elder_shrine_golem (100%)

skyshrine_113087, range=165 (759,1187,71)

a_shambling_cube (100%)

skyshrine_113092, range=130 (759,926,223)

Eldriaks_Fe`Dhar (100%)