NPCs composing that spawngroup :

Historian_Baenek (100%)

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

crystal_2, range=61 (-297,285,-494)

crystal_6, range=88 (-394,280,-494)

a_stalag_terror (50%)
a_stalag_terror (50%)

crystal_14, range=95 (-228,248,-384)

Vevina_Velweaver (50%)
Vevina_Velweaver (50%)

crystal_20, range=56 (-334,173,-559)

a_velium_crawler (100%)

crystal_25, range=23 (-321,206,-384)

Derron_Coldmist (50%)
Derron_Coldmist (50%)

crystal_27, range=37 (-317,266,-398)

Guard_Evercold (100%)

crystal_28, range=22 (-316,251,-398)

Guard_Slacey (100%)

crystal_35, range=82 (-339,310,-428)

a_Coldain_miner (50%)
a_Coldain_miner (50%)

crystal_39, range=59 (-263,233,-384)

Milliace_Gemshard (100%)

crystal_40, range=67 (-255,229,-400)

Captain_Dunstan_Coldheart (100%)

crystal_41, range=70 (-261,193,-384)

Guard_Kevin (100%)

crystal_45, range=94 (-243,177,-398)

Hardat_Gemshard (100%)

crystal_46, range=88 (-261,165,-400)

Grabble_Coldheart (100%)

crystal_49, range=94 (-228,238,-400)

Soren_Coldheart (100%)

crystal_69, range=88 (-344,143,-526)

a_crystal_crawler (50%)
a_crystal_crawler (50%)