NPCs composing that spawngroup :

greater_scalebone (25%)

greater_scalebone (25%)

scalebone_skeleton (25%)

scalebone_skeleton (25%)

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

kurn_1, range=41 (-121,-186,6)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_5, range=79 (-29,-107,106)

greater_scalebone (100%)

kurn_7, range=95 (-90,-254,3)

kurn_8, range=95 (-90,-254,4)

kurn_19, range=61 (-143,-130,-117)

kurn_20, range=49 (-138,-151,-117)

kurn_21, range=95 (-160,-95,-119)

kurn_27, range=77 (-149,-208,-23)

kurn_29, range=58 (-65,-212,3)

kurn_42, range=91 (1,-174,-109)

kurn_63, range=83 (-24,-109,-105)

Burynai_excavator (100%)

kurn_69, range=92 (-7,-117,-105)

kurn_70, range=17 (-72,-155,-105)

kurn_71, range=96 (-41,-75,-107)

kurn_73, range=76 (-108,-233,-23)

kurn_80, range=51 (-72,-208,-23)

kurn_90, range=87 (-75,-73,-30)

kurn_113, range=72 (-87,-231,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_117, range=94 (-31,-85,-30)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_130, range=95 (-143,-238,-23)

kurn_138, range=64 (-50,-210,-23)

kurn_139, range=50 (-41,-176,-23)

kurn_140, range=34 (-56,-151,-23)

Burynai_burrower (100%)

kurn_141, range=95 (1,-128,-23)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_142, range=84 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_143, range=64 (-27,-177,-23)

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

kurn_163, range=98 (-10,-218,132)

kurn_164, range=73 (-83,-232,123)

kurn_167, range=91 (-6,-121,132)

kurn_168, range=89 (0,-160,132)

kurn_171, range=41 (-83,-200,123)

kurn_173, range=54 (-55,-201,88)

kurn_183, range=98 (-62,-65,129)

greater_skeleton (100%)

kurn_276925, range=71 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=84 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)