NPCs composing that spawngroup :

a_grimling_miner (2%)

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

grimling1336230, range=11 (734,1708,-255)

a_grimling_bloodguard (50%)
a_grimling_bloodguard (50%)

grimling1336027, range=9 (725,1724,-255)

grimling1336026, range=50 (743,1670,-255)

grimling1336024, range=92 (765,1806,-255)

grimling1336023, range=99 (708,1815,-253)

a_grimling_miner_1433351, range=50 (710,1764,-253)

a_grimling_miner (2%)

a_grimling_cadaveris_1433376, range=80 (806,1686,-255)

a_grimling_cadaverist (2%)