NPCs composing that spawngroup :

a_shrouded_willsapper (100%)

NPCs spawning around that spawngroup :
(Max range : 200)

griegsendWailing_Mercenary00037584067, range=137 (30,2000,-56)

a_tormented_mercenary (90%)
Wailing_Mercenary (10%)

griegsend1304251, range=142 (151,2099,-55)

a_shrouded_willsapper (100%)

griegsend1304249, range=74 (233,1936,-64)

a_defiled_dreamweaver (50%)
a_tormented_mercenary (50%)

griegsend1304248, range=168 (321,1906,-64)

griegsend1304247, range=126 (246,1864,-64)

griegsend1304245, range=139 (298,1933,-64)

griegsend1304074, range=192 (207,1770,-64)

a_tormented_pugilist (50%)
a_tormented_pugilist (50%)

griegsend1304069, range=1 (162,1957,-55)

a_shrouded_willsapper (50%)
a_shrouded_willsapper (50%)

griegsend1304068, range=163 (196,2117,-55)

griegsend1304066, range=183 (66,2114,-55)

griegsend1304000, range=155 (68,1832,-64)

a_mangled_clairvoyant (100%)

griegsend_282478, range=174 (104,1792,-64)

You_look (100%)

griegsend_An_Atra_Somnium9_takp_import_v0, range=188 (193,2143,-55)

An_Atra_Somnium (100%)
An_Atra_Somnium (100%)

griegsend_225221_takp_import_v0, range=127 (131,1833,-64)

griegsend_A_Dark_Vision11_takp_import_v0, range=127 (131,1833,-64)

A_Dark_vision (100%)
A_Dark_vision (100%)

griegsend dark vision roambox1_takp_import_v0, range=47 (124,1986,-55)

griegsend dark vision roam box2_takp_import_v0, range=186 (327,1871,-64)

griegsend_An_Occisor_Acerbus259_takp_import_v0, range=94 (155,2051,-54)

griegsend intermittent will_takp_import_v0, range=182 (6,1860,-59)

Will (100%)