NPCs composing that spawngroup :

Burynai_Excavator (33%)

Burynai_Excavator (33%)

Burynai_excavator (34%)

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

kurn_1, range=80 (-121,-186,6)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_5, range=80 (29,-139,106)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_7, range=92 (-90,-254,3)

kurn_8, range=92 (-90,-254,4)

kurn_29, range=43 (-65,-212,3)

kurn_42, range=42 (1,-174,-109)

kurn_63, range=70 (-24,-109,-105)

Burynai_excavator (100%)

kurn_69, range=68 (-7,-117,-105)

kurn_70, range=37 (-72,-155,-105)

kurn_73, range=87 (-108,-233,-23)

kurn_80, range=44 (-72,-208,-23)

kurn_96, range=89 (11,-104,-40)

Burynai_Excavator (50%)
greater_skeleton (50%)

kurn_113, range=71 (-87,-231,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_117, range=92 (-31,-85,-30)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_138, range=35 (-50,-210,-23)

kurn_140, range=29 (-56,-151,-23)

Burynai_burrower (100%)

kurn_141, range=64 (1,-128,-23)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_142, range=38 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_143, range=14 (-27,-177,-23)

kurn_145, range=89 (46,-156,-40)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_157, range=55 (11,-157,-109)

kurn_161, range=60 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

kurn_162, range=55 (-48,-121,132)

kurn_163, range=52 (-10,-218,132)

kurn_164, range=70 (-83,-232,123)

kurn_165, range=86 (34,-219,132)

kurn_166, range=65 (23,-161,132)

kurn_167, range=65 (-6,-121,132)

kurn_168, range=44 (0,-160,132)

kurn_171, range=48 (-83,-200,123)

kurn_172, range=50 (-89,-159,88)

kurn_173, range=28 (-55,-201,88)

kurn_175, range=93 (52,-163,124)

kurn_276925, range=43 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=43 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)