NPCs composing that spawngroup :

a_cral_ligi_guardian (33%)

a_vas_ren_guardian (34%)

a_vas_ren_spiritward (33%)

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

twilight_224376, range=88 (4204,1386,-1)

twilight_224377, range=82 (4191,1345,1)

twilight_224378, range=22 (4274,1351,2)

twilight_224380, range=90 (4232,1248,2)

twilight_224381, range=61 (4262,1268,2)

twilight_224382, range=76 (4261,1253,4)

Aqualan_Deepwaters (20%)
a_vas_ren_guardian (80%)

twilight_224383, range=88 (4243,1245,3)