NPCs composing that spawngroup :

greater_scalebone (33%)

greater_scalebone (33%)

lesser_icebone_skeleton (34%)

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

kurn_1, range=59 (-121,-186,6)

greater_skeleton (100%)

kurn_3, range=79 (-73,-311,-23)

kurn_7, range=23 (-90,-254,3)

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

kurn_20, range=97 (-138,-151,-117)

kurn_27, range=70 (-149,-208,-23)

kurn_29, range=26 (-65,-212,3)

kurn_70, range=77 (-72,-155,-105)

kurn_73, range=25 (-108,-233,-23)

kurn_80, range=26 (-72,-208,-23)

kurn_82, range=60 (-41,-276,-23)

kurn_83, range=81 (-58,-310,-23)

kurn_84, range=80 (-118,-304,-23)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_113, range=4 (-87,-231,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_130, range=60 (-143,-238,-23)

kurn_131, range=43 (-108,-268,-23)

kurn_137, range=80 (-103,-310,-22)

kurn_138, range=39 (-50,-210,-23)

kurn_139, range=70 (-41,-176,-23)

kurn_140, range=85 (-56,-151,-23)

Burynai_burrower (100%)

kurn_142, range=67 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_143, range=78 (-27,-177,-23)

kurn_144, range=88 (-141,-299,-22)

kurn_161, range=84 (0,-221,90)

greater_scalebone (90%)
undead_crusader (10%)

kurn_163, range=74 (-10,-218,132)

kurn_169, range=91 (0,-270,132)

kurn_171, range=32 (-83,-200,123)

kurn_172, range=73 (-89,-159,88)

kurn_173, range=41 (-55,-201,88)

kurn_181, range=46 (-71,-277,4)

kurn_276925, range=35 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=57 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)