NPCs composing that spawngroup :

lesser_charbone_skeleton (50%)

lesser_icebone_skeleton (50%)

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

kurn_greater_skeleton23, range=55 (93,73,103)

kurn_scalebone_skeleton0, range=59 (93,48,103)

kurn_greater_scalebone1, range=92 (-49,39,103)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_lesser_icebone_skeleton20, range=60 (82,111,-39)

lesser_icebone_skeleton (100%)

kurn_Burynai_excavator3, range=28 (46,43,-39)

kurn_Burynai_sapper15, range=88 (-49,52,-39)

kurn_222211, range=68 (-30,80,-39)

a_skeletal_cook (20%)
thick_boned_skeleton (80%)

kurn_222212, range=71 (-3,12,3)

kurn_222694, range=87 (22,-16,-118)

kurn_222697, range=61 (-8,29,-116)

kurn_222698, range=15 (50,60,-39)