NPCs composing that spawngroup :

Burynai_Excavator (25%)

Burynai_excavator (25%)

Burynai_excavator (25%)

lesser_icebone_skeleton (25%)

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

kurn_1, range=67 (-53,144,4)

greater_skeleton (100%)

kurn_6, range=74 (-84,144,3)

kurn_9, range=81 (0,13,3)

scalebone_skeleton (100%)

kurn_18, range=49 (-70,30,-39)

Burynai_excavator (100%)

kurn_34, range=73 (21,86,-116)

lesser_charbone_skeleton (100%)

kurn_44, range=63 (-9,29,-116)

kurn_74, range=89 (38,70,-116)

kurn_91, range=72 (-30,8,-39)

kurn_119, range=87 (-37,163,-49)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_120, range=81 (-9,147,-49)

kurn_132, range=43 (-8,70,-39)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_134, range=36 (-84,61,-39)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_148, range=99 (-122,146,-39)

kurn_149, range=69 (-63,9,-30)

kurn_150, range=59 (-111,72,-39)

Burynai_excavator (100%)

kurn_151, range=80 (-106,18,-39)

kurn_152, range=95 (-88,-11,-30)

kurn_153, range=87 (-62,-10,-30)

kurn_160, range=75 (-53,1,9)

greater_skeleton (100%)

kurn_166, range=38 (-50,39,104)

kurn_183, range=69 (13,104,6)

greater_skeleton (100%)

kurn_184, range=36 (-85,61,106)

greater_skeleton (50%)
scalebone_skeleton (50%)

kurn_185, range=89 (-39,-12,104)

kurn_186, range=98 (29,19,104)

kurn_188, range=61 (-13,29,104)

greater_skeleton (50%)
scalebone_skeleton (50%)

kurn_192, range=68 (0,31,-39)

fingered_skeleton (20%)
thick_boned_skeleton (80%)

kurn_193, range=48 (-35,31,-39)

thick_boned_skeleton (100%)

#Crackling_Bones_189490, range=20 (-31,80,-39)

#Crackling_Bones (25%)
lesser_charbone_skeleton (75%)