NPCs composing that spawngroup :

greater_scalebone (25%)

greater_scalebone (25%)

greater_skeleton (25%)

scalebone_skeleton (25%)

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

kurn_1, range=31 (135,-200,5)

kurn_2, range=17 (124,-191,-23)

Burynai_Excavator (50%)
Burynai_excavator (50%)

kurn_5, range=49 (103,-223,-102)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_7, range=43 (129,-217,-22)

kurn_8, range=69 (108,-244,4)

kurn_10, range=51 (87,-218,-102)

kurn_30, range=88 (201,-152,-22)

kurn_31, range=94 (202,-137,-22)

kurn_32, range=27 (128,-151,-23)

Burynai_Excavator (100%)

kurn_33, range=75 (172,-225,-102)

Burynai_sapper (100%)

kurn_34, range=87 (156,-98,-103)

lesser_charbone_skeleton (100%)

kurn_37, range=41 (146,-147,-104)

kurn_38, range=67 (172,-137,-104)

kurn_39, range=73 (76,-113,-105)

kurn_43, range=28 (89,-183,-102)

kurn_87, range=57 (71,-211,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_89, range=37 (151,-190,-25)

kurn_109, range=72 (143,-108,-24)

kurn_114, range=94 (162,-92,-24)

kurn_144, range=42 (75,-187,-23)

kurn_145, range=72 (46,-156,-40)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_146, range=78 (60,-120,-40)

kurn_156, range=54 (66,-197,-104)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_165, range=93 (34,-219,132)

kurn_166, range=94 (23,-161,132)

kurn_175, range=65 (52,-163,124)

kurn_176, range=91 (63,-250,124)