NPCs composing that spawngroup :

an_enthralled_bulthar (50%)

an_enthralled_molkor (50%)

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

sirens_13, range=166 (-817,-232,-72)

an_enthralled_bulthar (50%)
an_enthralled_bulthar (50%)

sirens_16, range=120 (-888,-508,-176)

sirens_48, range=109 (-786,-324,-134)

sirens_61, range=166 (-766,-261,-42)

sirens_62, range=178 (-749,-260,-42)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_67, range=180 (-827,-214,-72)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_78, range=38 (-891,-422,-179)

sirens_83, range=160 (-714,-387,-120)

sirens_89, range=129 (-855,-516,-180)

a_swordfish (50%)
a_swordfish (50%)

sirens_90, range=33 (-865,-420,-181)

sirens_91, range=109 (-871,-279,-178)

sirens_223847_takp_import_v0, range=180 (-748,-259,-42)

sirens_an_enthralled_bulthar6_takp_import_v0, range=10 (-873,-378,-154)

an_enthralled_bulthar (100%)

sirens_a_coldspine_sea_horse14_takp_import_v0, range=161 (-713,-386,-120)

a_coldspine_sea_horse (100%)

sirens_223856_takp_import_v0, range=119 (-887,-507,-176)

sirens_223867_takp_import_v0, range=110 (-870,-278,-178)

sirens_223863_takp_import_v0, range=36 (-890,-421,-179)

sirens_223845_takp_import_v0, range=32 (-864,-419,-182)