NPCs composing that spawngroup :

Burynai_burrower (50%)

greater_scalebone (50%)

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

kurn_5, range=85 (29,-139,106)

greater_scalebone (100%)

kurn_7, range=83 (-90,-254,3)

kurn_8, range=83 (-90,-254,4)

kurn_17, range=94 (60,-259,-99)

Burynai_excavator (50%)
lesser_charbone_skeleton (50%)

kurn_29, range=45 (-65,-212,3)

kurn_42, range=39 (1,-174,-109)

kurn_63, range=99 (-24,-109,-105)

Burynai_excavator (100%)

kurn_69, range=91 (-7,-117,-105)

kurn_70, range=74 (-72,-155,-105)

kurn_73, range=91 (-108,-233,-23)

kurn_80, range=52 (-72,-208,-23)

kurn_82, range=71 (-41,-276,-23)

kurn_87, range=91 (71,-211,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_113, range=70 (-87,-231,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_138, range=30 (-50,-210,-23)

kurn_139, range=38 (-41,-176,-23)

kurn_140, range=67 (-56,-151,-23)

Burynai_burrower (100%)

kurn_141, range=83 (1,-128,-23)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_143, range=31 (-27,-177,-23)

kurn_144, range=97 (75,-187,-23)

kurn_145, range=84 (46,-156,-40)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_156, range=86 (66,-197,-104)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_157, range=59 (11,-157,-109)

kurn_161, range=23 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

kurn_162, range=91 (-48,-121,132)

kurn_163, range=14 (-10,-218,132)

kurn_164, range=67 (-83,-232,123)

kurn_165, range=55 (34,-219,132)

kurn_166, range=63 (23,-161,132)

kurn_167, range=88 (-6,-121,132)

kurn_168, range=52 (0,-160,132)

kurn_169, range=65 (0,-270,132)

kurn_171, range=63 (-83,-200,123)

kurn_172, range=84 (-89,-159,88)

kurn_173, range=35 (-55,-201,88)

kurn_175, range=84 (52,-163,124)

kurn_176, range=93 (63,-250,124)

kurn_181, range=85 (-71,-277,4)

kurn_276925, range=31 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=12 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)