NPCs composing that spawngroup :

a_siren_beguiler (25%)

a_siren_myrmidon (25%)

a_siren_myrmidon (25%)

a_siren_templar (25%)

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

sirens_28, range=91 (-35,-168,-125)

sirens_35, range=87 (33,-81,-135)

sirens_38, range=96 (28,-129,-135)

a_siren_beguiler (100%)

sirens_44, range=23 (-63,-100,3)

sirens_72, range=48 (-51,-30,-133)

sirens_74, range=36 (-27,-54,-157)

a_neriad_mistress (100%)
a_neriad_mistress (100%)

sirens_126, range=94 (36,-106,-80)

a_siren_templar (50%)
a_siren_templar (50%)

sirens_127, range=65 (-49,-143,-117)

sirens_131, range=85 (-54,7,-110)

a_siren_beguiler (50%)
a_siren_templar (50%)

sirens_132, range=62 (-64,-16,-104)

sirens_133, range=13 (-57,-65,-100)

sirens_134, range=35 (-63,-44,-100)

sirens_135, range=15 (-63,-90,-104)

sirens_136, range=43 (-58,-121,-110)

sirens_112963, range=86 (29,-54,-135)

#Faleniel_of_Darkwater (100%)

sirens_231256, range=92 (-19,8,-13)

a_servant_swordfish (100%)

sirens_231274, range=49 (-50,-29,-133)

a_watery_servant (100%)

sirens_231277, range=87 (33,-80,-135)

sirens_231278, range=93 (36,-105,-80)

a_siren_seductress (100%)

sirens_231279, range=1 (-53,-77,-133)

#shimmering_sea_spirit (10%)
an_icy_servant (90%)