NPCs composing that spawngroup :

a_siren_beguiler (33%)

a_siren_beguiler (34%)

a_siren_templar (33%)

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

sirens_1, range=97 (83,-60,-146)

sirens_18, range=75 (203,-28,3)

sirens_24, range=69 (74,20,3)

sirens_25, range=67 (77,33,3)

an_enthralled_molkor (100%)

sirens_27, range=71 (102,-40,-135)

a_siren_myrmidon (50%)
a_siren_myrmidon (50%)

sirens_32, range=95 (221,-37,-135)

sirens_33, range=91 (175,-68,-135)

sirens_34, range=60 (177,-32,-135)

sirens_44, range=96 (100,104,2)

sirens_45, range=26 (148,-8,3)

sirens_71, range=98 (119,-78,-153)

a_neriad_mistress (50%)
a_neriad_mistress (50%)

sirens_73, range=99 (65,-44,-148)

sirens_108, range=74 (168,-52,-80)

sirens_109, range=75 (115,-52,-100)

sirens_110, range=88 (115,-67,-100)

sirens_114, range=71 (153,-53,-58)

sirens_115, range=69 (136,-52,-64)

sirens_116, range=72 (170,-49,-54)

#Mistress_of_the_Darkwater (100%)

sirens_119, range=97 (102,-71,-135)

sirens_123, range=44 (100,28,-54)

a_siren_beguiler (50%)
a_siren_myrmidon (50%)

sirens_125, range=99 (44,27,-54)

sirens_127, range=99 (45,36,-80)

a_servant_sea_elepha_190189, range=63 (177,-36,4)

a_coldspine_sea_hors_190201, range=90 (75,-42,-149)

a_coldspine_seahorse (50%)
a_swordfish (50%)

a_servant_swordfish_190209, range=90 (53,20,-16)

a_swordfish (100%)

a_servant_swordfish_190210, range=94 (54,-15,-19)

a_swordfish (100%)

sirens_231252, range=63 (177,-36,3)

a_servant_manatee (100%)

sirens_231253, range=75 (203,-27,3)

a_servant_sea_elephant (100%)

sirens_231256, range=94 (54,-15,-19)

a_servant_swordfish (100%)
a_servant_swordfish (100%)

sirens_231263, range=90 (75,-42,-150)

sirens_231275, range=90 (175,-67,-135)

an_icy_servant (100%)
an_icy_servant (100%)

sirens_231277, range=70 (134,-52,-64)

sirens_231278, range=94 (221,-36,-135)

a_siren_seductress (100%)