NPCs composing that spawngroup :

a_gor_taku_builder (34%)

a_gor_taku_builder (33%)

a_shak_dratha_senthien (33%)

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

shadeweaver1320432, range=56 (-2401,976,-443)

a_gor_taku_scout (100%)

shadeweaver1320192, range=65 (-2370,864,-449)

shadeweaver1320160, range=38 (-2363,967,-430)