NPCs composing that spawngroup :

greater_skeleton (100%)

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

kurn_1, range=97 (-53,144,4)

greater_skeleton (100%)

kurn_5, range=92 (-80,215,45)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_8, range=87 (26,303,-8)

kurn_9, range=96 (97,170,21)

scalebone_skeleton (100%)
scalebone_skeleton (100%)

kurn_15, range=99 (82,143,3)

kurn_28, range=97 (47,307,-8)

kurn_41, range=68 (66,258,-49)

Burynai_sapper (100%)

kurn_47, range=56 (-18,263,-121)

kurn_49, range=68 (-51,240,-121)

kurn_54, range=43 (-31,220,-121)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_55, range=95 (-82,226,-126)

kurn_62, range=61 (64,182,-116)

kurn_66, range=60 (45,165,-116)

kurn_67, range=40 (15,176,-116)

kurn_100, range=68 (3,283,-49)

Burynai_excavator (100%)

kurn_103, range=96 (-83,209,-67)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_105, range=93 (-62,271,-49)

Burynai_excavator (50%)
Burynai_excavator (50%)

kurn_113, range=95 (10,311,-49)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_116, range=26 (39,213,-49)

Burynai_Excavator (100%)

kurn_117, range=62 (-44,191,-49)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_119, range=72 (-37,163,-49)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_120, range=72 (-9,147,-49)

kurn_121, range=22 (-8,223,-49)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_122, range=17 (21,200,-49)

Burynai_Excavator (50%)
Burynai_sapper (50%)

kurn_123, range=38 (39,187,-49)

Burynai_excavator (100%)

kurn_124, range=92 (86,273,-49)

Burynai_excavator (50%)
Burynai_excavator (50%)

kurn_128, range=62 (72,238,-39)