NPCs composing that spawngroup :

an_outcast_shaman (100%)

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

grimling1336114, range=51 (439,-729,-3)

grimling1336115, range=35 (364,-745,-8)

grimling1336117, range=50 (361,-724,-12)

grimling1336119, range=63 (380,-698,-9)

grimling1336183, range=27 (396,-732,-18)

a_grimling_gruntling (50%)
a_grimling_painsoother (50%)

grimling1336185, range=97 (359,-669,13)

a_grimling_manawield_1433314, range=38 (429,-738,-2)

a_grimling_manawielder (2%)

a_grimling_dreamspin_1433363, range=15 (382,-755,-3)

a_grimling_dreamspinner (2%)