NPCs composing that spawngroup :

greater_scalebone (34%)

greater_skeleton (33%)

greater_skeleton (33%)

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

kurn_3, range=34 (-73,-311,-23)

kurn_7, range=29 (-90,-254,3)

kurn_8, range=71 (-142,-272,4)

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

kurn_73, range=57 (-108,-233,-23)

kurn_80, range=69 (-72,-208,-23)

kurn_82, range=30 (-41,-276,-23)

kurn_83, range=35 (-58,-310,-23)

kurn_84, range=54 (-118,-304,-23)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_85, range=84 (-33,-353,-23)

kurn_113, range=48 (-87,-231,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_130, range=81 (-143,-238,-23)

kurn_131, range=38 (-108,-268,-23)

kurn_137, range=45 (-103,-310,-22)

kurn_138, range=70 (-50,-210,-23)

kurn_142, range=85 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_144, range=73 (-141,-299,-22)

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

greater_scalebone (90%)
undead_crusader (10%)

kurn_163, range=84 (-10,-218,132)

kurn_164, range=46 (-83,-232,123)

kurn_169, range=71 (0,-270,132)

kurn_171, range=77 (-83,-200,123)

kurn_173, range=77 (-55,-201,88)

kurn_276925, range=62 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=73 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)