NPCs composing that spawngroup :

Burynai_burrower (25%)

Burynai_excavator (25%)

Burynai_Excavator (25%)

greater_scalebone (25%)

NPCs spawning around that spawngroup :
(Max range : 200)

kurn_1, range=89 (135,-200,5)

kurn_2, range=102 (124,-191,-23)

Burynai_Excavator (50%)
Burynai_excavator (50%)

kurn_5, range=91 (103,-223,-102)

greater_scalebone (100%)

kurn_7, range=150 (45,-357,-22)

kurn_8, range=75 (108,-244,4)

kurn_10, range=106 (87,-218,-102)

kurn_12, range=124 (50,-285,-97)

kurn_17, range=115 (60,-259,-99)

Burynai_excavator (50%)
lesser_charbone_skeleton (50%)

kurn_30, range=130 (201,-152,-22)

kurn_31, range=145 (202,-137,-22)

kurn_32, range=137 (128,-151,-23)

Burynai_Excavator (100%)

kurn_33, range=55 (172,-225,-102)

Burynai_sapper (100%)

kurn_34, range=183 (156,-98,-103)

lesser_charbone_skeleton (100%)

kurn_35, range=93 (80,-278,-99)

kurn_36, range=54 (199,-232,-102)

kurn_37, range=136 (146,-147,-104)

kurn_38, range=143 (172,-137,-104)

kurn_39, range=193 (76,-113,-105)

kurn_41, range=127 (48,-299,-97)

Burynai_sapper (100%)

kurn_43, range=128 (89,-183,-102)

kurn_87, range=124 (71,-211,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_88, range=198 (155,-83,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_89, range=93 (151,-190,-25)

kurn_96, range=18 (192,-281,-22)

Burynai_Excavator (50%)
greater_skeleton (50%)

kurn_109, range=174 (143,-108,-24)

kurn_114, range=188 (162,-92,-24)

kurn_144, range=135 (75,-187,-23)

kurn_145, range=178 (46,-156,-40)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_146, range=196 (60,-120,-40)

kurn_156, range=136 (66,-197,-104)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_161, range=183 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

kurn_163, range=194 (-10,-218,132)

kurn_165, range=152 (34,-219,132)

kurn_166, range=192 (23,-161,132)

kurn_169, range=174 (0,-270,132)

kurn_175, range=169 (52,-163,124)

kurn_176, range=114 (63,-250,124)

kurn_177, range=194 (14,-391,-21)

kurn_178, range=119 (116,-175,124)