NPCs composing that spawngroup :

greater_scalebone (25%)

greater_scalebone (25%)

greater_skeleton (25%)

greater_skeleton (25%)

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

kurn_1, range=95 (87,-231,122)

greater_skeleton (100%)

kurn_3, range=83 (-73,-311,-23)

kurn_7, range=97 (45,-357,-22)

kurn_8, range=91 (-90,-254,4)

kurn_12, range=52 (50,-285,-97)

kurn_17, range=61 (60,-259,-99)

Burynai_excavator (50%)
lesser_charbone_skeleton (50%)

kurn_29, range=87 (-65,-212,3)

kurn_35, range=81 (80,-278,-99)

kurn_41, range=55 (48,-299,-97)

Burynai_sapper (100%)

kurn_42, range=96 (1,-174,-109)

kurn_80, range=95 (-72,-208,-23)

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

kurn_83, range=70 (-58,-310,-23)

kurn_85, range=89 (-33,-353,-23)

kurn_87, range=92 (71,-211,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_113, range=95 (-87,-231,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_138, range=78 (-50,-210,-23)

kurn_142, range=65 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_143, range=96 (-27,-177,-23)

kurn_156, range=98 (66,-197,-104)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_161, range=49 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

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

kurn_164, range=91 (-83,-232,123)

kurn_165, range=61 (34,-219,132)

kurn_166, range=36 (32,-253,132)

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

kurn_176, range=66 (63,-250,124)

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

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

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=59 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)