NPCs composing that spawngroup :

Burynai_burrower (50%)

Burynai_excavator (50%)

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

kurn_1, range=181 (-121,-186,6)

greater_skeleton (100%)

kurn_3, range=81 (-73,-311,-23)

kurn_7, range=24 (-112,-379,-22)

kurn_8, range=94 (-142,-272,4)

kurn_14, range=164 (-248,-249,-27)

Burynai_Excavator (50%)
Burynai_excavator (50%)

kurn_24, range=178 (-224,-212,-27)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_25, range=46 (-172,-340,-23)

kurn_26, range=134 (-229,-272,-27)

kurn_27, range=158 (-149,-208,-23)

kurn_29, range=168 (-65,-212,3)

kurn_41, range=193 (48,-299,-97)

Burynai_sapper (100%)

kurn_73, range=135 (-108,-233,-23)

kurn_80, range=169 (-72,-208,-23)

kurn_82, range=128 (-41,-276,-23)

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

kurn_84, range=63 (-118,-304,-23)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_85, range=100 (-33,-353,-23)

kurn_130, range=128 (-143,-238,-23)

kurn_131, range=101 (-108,-268,-23)

kurn_137, range=63 (-103,-310,-22)

kurn_138, range=176 (-50,-210,-23)

kurn_142, range=194 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_144, range=67 (-141,-299,-22)

kurn_145, range=119 (-17,-394,-22)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_161, range=197 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

kurn_163, range=192 (-10,-218,132)

kurn_164, range=143 (-83,-232,123)

kurn_166, range=199 (32,-253,132)

kurn_169, range=164 (0,-270,132)

kurn_171, range=173 (-83,-200,123)

kurn_173, range=182 (-55,-201,88)

kurn_177, range=149 (14,-391,-21)

kurn_181, range=108 (-71,-277,4)

kurn_276925, range=169 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=182 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)