NPCs composing that spawngroup :

Burynai_Excavator (50%)

greater_scalebone (50%)

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

kurn_1, range=194 (87,-231,122)

greater_skeleton (100%)

kurn_3, range=100 (-73,-311,-23)

kurn_7, range=96 (-112,-379,-22)

kurn_8, range=174 (-142,-272,4)

kurn_12, range=127 (50,-285,-97)

kurn_17, range=155 (60,-259,-99)

Burynai_excavator (50%)
lesser_charbone_skeleton (50%)

kurn_25, range=164 (-172,-340,-23)

kurn_29, range=188 (-65,-212,3)

kurn_35, range=151 (80,-278,-99)

kurn_41, range=115 (48,-299,-97)

Burynai_sapper (100%)

kurn_73, range=184 (-108,-233,-23)

kurn_80, range=193 (-72,-208,-23)

kurn_82, range=120 (-41,-276,-23)

kurn_83, range=93 (-58,-310,-23)

kurn_84, range=135 (-118,-304,-23)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_85, range=44 (-33,-353,-23)

kurn_113, range=119 (-133,-366,-22)

kurn_131, range=155 (-108,-268,-23)

kurn_137, range=120 (-103,-310,-22)

kurn_138, range=186 (-50,-210,-23)

kurn_142, range=186 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_144, range=156 (-141,-299,-22)

kurn_161, range=174 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

kurn_163, range=176 (-10,-218,132)

kurn_164, range=174 (-83,-232,123)

kurn_165, range=182 (34,-219,132)

kurn_166, range=149 (32,-253,132)

kurn_169, range=125 (0,-270,132)

kurn_173, range=196 (-55,-201,88)

kurn_176, range=164 (63,-250,124)

kurn_177, range=31 (14,-391,-21)

kurn_181, range=128 (-71,-277,4)

kurn_276925, range=178 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=176 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)