NPCs composing that spawngroup :

Guard_Kevin (100%)

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

crystal_2, range=98 (-297,285,-494)

crystal_14, range=64 (-228,248,-384)

Vevina_Velweaver (50%)
Vevina_Velweaver (50%)

crystal_20, range=75 (-334,173,-559)

a_velium_crawler (100%)

crystal_25, range=61 (-321,206,-384)

Derron_Coldmist (50%)
Derron_Coldmist (50%)

crystal_27, range=92 (-317,266,-398)

Guard_Evercold (100%)

crystal_28, range=79 (-316,251,-398)

Guard_Slacey (100%)

crystal_37, range=70 (-322,229,-400)

Historian_Baenek (100%)

crystal_39, range=40 (-263,233,-384)

Milliace_Gemshard (100%)

crystal_40, range=36 (-255,229,-400)

Captain_Dunstan_Coldheart (100%)

crystal_45, range=24 (-243,177,-398)

Hardat_Gemshard (100%)

crystal_46, range=28 (-261,165,-400)

Grabble_Coldheart (100%)

crystal_49, range=55 (-228,238,-400)

Soren_Coldheart (100%)

crystal_69, range=96 (-344,143,-526)

a_crystal_crawler (50%)
a_crystal_crawler (50%)

crystal_111144, range=65 (-202,222,-384)

Scout_Grandan (100%)