NPCs composing that spawngroup :

a_grimling_sentry (2%)

a_grimling_skullsplitter (33%)

a_grimling_skullsplitter (34%)

a_grimling_skullsplitter (33%)

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

grimling1336227, range=27 (884,1027,72)

a_grimling_elder_guard (100%)

grimling1336160, range=181 (816,863,40)

a_grimling_dartspitter (50%)
a_grimling_dartspitter (50%)

grimling1336138, range=158 (841,875,40)

grimling1336030, range=55 (855,1021,72)

grimling1336028, range=84 (841,969,46)

grimling1336001, range=199 (915,1217,32)