NPCs composing that spawngroup :

a_grimling_nightknife (33%)

a_Vah_Shir_trooper (33%)

a_Vah_Shir_trooper (34%)

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

grimling1336082, range=64 (1033,-1092,7)

grimling1336085, range=89 (1164,-1013,32)

a_Vah_Shir_soldier (50%)
a_Vah_Shir_soldier (50%)

grimling1336092, range=78 (1152,-1089,6)

grimling1336204, range=32 (1065,-1079,7)

grimling1336205, range=38 (1045,-1058,7)

grimling1336206, range=59 (1058,-1106,4)

grimling1336208, range=65 (1112,-1111,0)

a_grimling_manawield_1433321, range=80 (1005,-1034,19)

a_grimling_manawielder (2%)

a_grimling_dreamspin_1433368, range=70 (1101,-1120,9)

a_grimling_dreamspinner (2%)
a_grimling_dreamspinner (2%)

a_grimling_cadaveris_1433379, range=95 (1041,-1138,15)

a_grimling_cadaverist (2%)

a_grimling_skullplit_1433383, range=53 (1030,-1057,19)

a_grimling_skullsplitter (2%)