NPCs composing that spawngroup :

Burynai_Excavator (33%)

Burynai_excavator (34%)

greater_skeleton (33%)

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

kurn_1, range=196 (-53,144,4)

kurn_5, range=189 (-29,-107,106)

greater_scalebone (100%)

kurn_6, range=176 (-84,144,3)

kurn_7, range=143 (-225,-138,-22)

kurn_9, range=186 (0,13,3)

scalebone_skeleton (100%)
scalebone_skeleton (100%)

kurn_11, range=33 (-172,-30,4)

greater_scalebone (50%)
greater_skeleton (50%)

kurn_18, range=120 (-70,30,-39)

Burynai_excavator (100%)

kurn_19, range=136 (-143,-130,-117)

kurn_20, range=158 (-138,-151,-117)

kurn_21, range=98 (-160,-95,-119)

kurn_23, range=117 (-246,-101,-123)

kurn_44, range=179 (-9,29,-116)

kurn_45, range=198 (-108,183,-121)

kurn_52, range=178 (-130,169,-121)

kurn_63, range=195 (-24,-109,-105)

Burynai_excavator (100%)

kurn_70, range=192 (-72,-155,-105)

kurn_71, range=163 (-41,-75,-107)

kurn_72, range=114 (-83,-48,-107)

Burynai_excavator (100%)

kurn_90, range=132 (-75,-73,-30)

kurn_91, range=156 (-30,8,-39)

kurn_106, range=198 (-192,198,-39)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_111, range=43 (-146,-18,-23)

Burynai_Excavator (100%)

kurn_112, range=62 (-248,-5,-23)

kurn_113, range=74 (-114,-19,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_117, range=176 (-31,-85,-30)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_118, range=67 (-250,-21,-23)

kurn_129, range=72 (-228,-60,-23)

Burynai_Excavator (100%)

kurn_132, range=191 (-8,70,-39)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_133, range=155 (-51,77,-39)

kurn_134, range=119 (-84,61,-39)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_135, range=51 (-138,19,-39)

kurn_136, range=114 (-84,-53,-30)

kurn_137, range=154 (-140,148,-39)

kurn_140, range=199 (-56,-151,-23)

Burynai_burrower (100%)

kurn_147, range=134 (-158,131,-39)

Burynai_excavator (100%)

kurn_148, range=159 (-122,146,-39)

kurn_149, range=123 (-63,9,-30)

kurn_150, range=104 (-111,72,-39)

Burynai_excavator (100%)

kurn_151, range=82 (-106,18,-39)

kurn_152, range=98 (-88,-11,-30)

kurn_153, range=124 (-62,-10,-30)

kurn_154, range=38 (-164,-32,-23)

Burynai_Excavator (50%)
Burynai_excavator (50%)

kurn_155, range=121 (-171,121,-39)

kurn_158, range=69 (-184,-69,-23)

kurn_159, range=87 (-164,-85,-23)

kurn_160, range=133 (-53,1,9)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_162, range=183 (-48,-121,132)

kurn_166, range=141 (-50,39,104)

kurn_172, range=186 (-89,-159,88)

kurn_179, range=34 (-170,31,4)

kurn_183, range=140 (-62,-65,129)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_184, range=118 (-85,61,106)

greater_skeleton (50%)
scalebone_skeleton (50%)

kurn_185, range=147 (-39,-12,104)

kurn_186, range=131 (-58,-30,104)

kurn_187, range=199 (13,-13,104)

kurn_188, range=175 (-13,29,104)

greater_skeleton (50%)
scalebone_skeleton (50%)

kurn_192, range=188 (0,31,-39)

fingered_skeleton (20%)
thick_boned_skeleton (80%)

kurn_193, range=154 (-35,31,-39)

thick_boned_skeleton (100%)

#Crackling_Bones_189490, range=174 (-31,80,-39)

#Crackling_Bones (25%)
lesser_charbone_skeleton (75%)

kurn_Acolyte_of_Convergence000_2182050, range=138 (-292,-90,4)

Acolyte_of_Convergence (100%)