NPCs composing that spawngroup :

NPCs spawning around that spawngroup : (Max range : 100) poeartha2180266, range=94 (-3324,552,16) A_Crystalline_Formation (100%) poeartha_48635, range=28 (-3218,566,9) #jewel_trap (100%) poeartha_282493, range=11 (-3227,581,6) #A_Gemmed_Guardian (100%)