NPCs composing that spawngroup :

An_Icy_Drake (50%)

A_Ruby_Drake (50%)

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

skyshrine_12, range=141 (896,1273,242)

An_Elite_Onyx_Drake (100%)
An_Elite_Onyx_Drake (100%)

skyshrine_13, range=96 (896,1214,242)

An_Elite_Emerald_Drake (50%)
An_Elite_Shimmering_Drake (50%)

skyshrine_14, range=5 (970,1157,222)

An_Elite_Emerald_Drake (50%)
An_Elite_Onyx_Drake (50%)

skyshrine_15, range=182 (828,1037,222)

An_Old_Racnar (100%)

skyshrine_18, range=167 (970,985,222)

skyshrine_44, range=51 (1021,1152,47)

A_Ruby_Drake (50%)
A_Ruby_Drake (50%)

skyshrine_46, range=189 (788,1204,67)

An_Emerald_Drake (50%)
An_Onyx_Drake (50%)

skyshrine_51, range=157 (870,1274,67)

An_Emerald_Drake (50%)
An_Emerald_Drake (50%)

skyshrine_52, range=117 (870,1214,67)

A_Ruby_Drake (50%)
A_Shimmering_Drake (50%)

skyshrine_54, range=93 (955,1060,47)

An_Emerald_Drake (50%)
A_Ruby_Drake (50%)

skyshrine_55, range=161 (1025,1000,47)

An_Icy_Drake (50%)
A_Ruby_Drake (50%)

skyshrine_57, range=172 (829,1053,47)

An_Onyx_Drake (50%)
An_Onyx_Drake (50%)