NPCs composing that spawngroup :

a_grimling_elder_guard (33%)

a_grimling_elder_guard (33%)

a_grimling_elder_guard (34%)

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

grimling1336066, range=51 (722,1512,-79)

a_grimling_elder_guard (50%)
a_grimling_elder_guard (50%)

grimling1336065, range=58 (780,1461,-80)

grimling1336064, range=87 (774,1391,-80)

grimling1336063, range=55 (727,1406,-71)

grimling1336005, range=84 (639,1443,-54)

a_grimling_cadaveris_1433309, range=76 (736,1386,-80)

a_grimling_cadaverist (2%)

a_grimling_miner_1433353, range=82 (758,1387,-80)

a_grimling_miner (2%)

a_grimling_miner_1433354, range=71 (765,1518,-80)

a_grimling_miner (2%)

a_grimling_miner_1433355, range=80 (794,1496,-80)

a_grimling_miner (2%)

Overseer_Gizgargank_1433382, range=73 (766,1402,-78)

Overseer_Gizgargank (2%)