NPCs composing that spawngroup :

a_grimling_nightknife (50%)

NPCs spawning around that spawngroup :
(Max range : 200)

grimling1336229, range=18 (143,1640,-147)

grimling1336228, range=156 (277,1674,-181)

grimling1336223, range=70 (157,1695,-151)

grimling1336222, range=174 (262,1522,-150)

grimling1336181, range=155 (-5,1549,-150)

grimling1336179, range=161 (-33,1606,-150)

grimling1336155, range=190 (232,1474,-150)

grimling1336151, range=187 (312,1610,-150)

grimling1336150, range=134 (230,1546,-150)

grimling1336017, range=65 (127,1697,-150)

grimling1336016, range=48 (78,1640,-147)

grimling1336015, range=177 (79,1461,-123)

a_grimling_miner_1433337, range=91 (90,1716,-148)

a_grimling_miner_1433339, range=61 (117,1693,-148)

a_grimling_miner_1433340, range=88 (146,1718,-148)

a_grimling_miner_1433342, range=121 (244,1659,-171)

a_grimling_miner_1433343, range=168 (268,1542,-148)