NPCs composing that spawngroup :

greater_skeleton (33%)

greater_skeleton (33%)

greater_skeleton (34%)

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

kurn_1, range=96 (48,-113,134)

kurn_4, range=89 (15,-58,127)

an_odd_mole (100%)

kurn_5, range=79 (29,-139,106)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_8, range=96 (28,-61,4)

kurn_19, range=95 (-143,-130,-117)

kurn_20, range=94 (-138,-151,-117)

kurn_29, range=92 (-65,-212,3)

greater_skeleton (50%)
greater_skeleton (50%)

kurn_42, range=72 (1,-174,-109)

kurn_57, range=89 (19,-63,134)

greater_scalebone (100%)

kurn_63, range=27 (-24,-109,-105)

Burynai_excavator (100%)

kurn_69, range=41 (-7,-117,-105)

kurn_70, range=41 (-72,-155,-105)

kurn_71, range=46 (-41,-75,-107)

kurn_72, range=80 (-83,-48,-107)

Burynai_excavator (100%)

kurn_80, range=90 (-72,-208,-23)

kurn_86, range=67 (10,-87,-106)

kurn_90, range=55 (-75,-73,-30)

kurn_92, range=87 (11,-57,-39)

kurn_96, range=61 (11,-104,-40)

Burynai_Excavator (50%)
greater_skeleton (50%)

kurn_117, range=40 (-31,-85,-30)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_136, range=76 (-84,-53,-30)

kurn_138, range=89 (-50,-210,-23)

kurn_139, range=55 (-41,-176,-23)

kurn_140, range=30 (-56,-151,-23)

Burynai_burrower (100%)

kurn_141, range=49 (1,-128,-23)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_142, range=91 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_143, range=59 (-27,-177,-23)

kurn_157, range=69 (11,-157,-109)

kurn_166, range=81 (23,-161,132)

kurn_167, range=42 (-6,-121,132)

kurn_168, range=61 (0,-160,132)

kurn_171, range=86 (-83,-200,123)

kurn_172, range=55 (-89,-159,88)

kurn_173, range=80 (-55,-201,88)

kurn_174, range=99 (45,-86,130)

kurn_183, range=58 (-62,-65,129)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_186, range=91 (-58,-30,104)

kurn_276925, range=97 (-50,-219,134)

greater_skeleton (90%)
undead_crusader (10%)

kurn_276926, range=98 (-28,-218,134)

greater_scalebone (90%)
undead_crusader (10%)