NPCs composing that spawngroup :

Burynai_burrower (8%)

Burynai_burrower (8%)

Burynai_burrower (8%)

Burynai_burrower (9%)

Burynai_excavator (8%)

Burynai_excavator (8%)

Burynai_excavator (8%)

Burynai_excavator (8%)

Burynai_sapper (8%)

Burynai_sapper (9%)

Burynai_Sapper (9%)

Burynai_sapper (9%)

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

kurn_greater_skeleton23, range=40 (10,311,-49)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_greater_scalebone1, range=32 (-33,283,-49)

greater_scalebone (100%)

kurn_lesser_icebone_skeleton20, range=53 (-61,271,-49)

lesser_icebone_skeleton (100%)

kurn_Burynai_excavator3, range=76 (-72,251,-67)

kurn_Burynai_burrower11, range=94 (-7,223,-49)

kurn_Burynai_sapper15, range=69 (-95,290,-67)

kurn_222212, range=57 (26,303,-8)

kurn_222697, range=50 (-80,320,-68)

kurn_222703, range=98 (-114,264,-122)