NPCs composing that spawngroup :

Burynai_burrower (33%)

Burynai_Excavator (33%)

Burynai_Excavator (34%)

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

kurn_1, range=171 (87,-231,122)

kurn_3, range=58 (-73,-311,-23)

kurn_5, range=188 (103,-223,-102)

greater_scalebone (100%)

kurn_7, range=83 (-112,-379,-22)

kurn_8, range=135 (-142,-272,4)

kurn_10, range=180 (87,-218,-102)

kurn_12, range=107 (50,-285,-97)

kurn_17, range=132 (60,-259,-99)

Burynai_excavator (50%)
lesser_charbone_skeleton (50%)

kurn_25, range=139 (-172,-340,-23)

kurn_27, range=185 (-149,-208,-23)

kurn_29, range=144 (-65,-212,3)

kurn_35, range=136 (80,-278,-99)

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

Burynai_sapper (100%)

kurn_42, range=182 (1,-174,-109)

kurn_73, range=141 (-108,-233,-23)

kurn_80, range=150 (-72,-208,-23)

kurn_82, range=77 (-41,-276,-23)

kurn_83, range=49 (-58,-310,-23)

kurn_84, range=98 (-118,-304,-23)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_87, range=176 (71,-211,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_113, range=100 (-133,-366,-22)

kurn_130, range=159 (-143,-238,-23)

kurn_131, range=113 (-108,-268,-23)

kurn_137, range=82 (-103,-310,-22)

kurn_138, range=144 (-50,-210,-23)

kurn_139, range=177 (-41,-176,-23)

kurn_142, range=145 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_143, range=176 (-27,-177,-23)

kurn_144, range=120 (-141,-299,-22)

kurn_145, range=44 (-17,-394,-22)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_156, range=185 (66,-197,-104)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_161, range=136 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

kurn_163, range=136 (-10,-218,132)

kurn_164, range=130 (-83,-232,123)

kurn_165, range=149 (34,-219,132)

kurn_166, range=119 (32,-253,132)

kurn_168, range=195 (0,-160,132)

kurn_169, range=89 (0,-270,132)

kurn_171, range=160 (-83,-200,123)

kurn_173, range=153 (-55,-201,88)

kurn_176, range=140 (63,-250,124)

kurn_177, range=60 (14,-391,-21)

kurn_181, range=84 (-71,-277,4)

kurn_276925, range=135 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=135 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)