NPCs composing that spawngroup :

#an_enthralled_ulthork (14%)

Ailing_Walrus (5%)

an_enthralled_bulthar (14%)

an_enthralled_bulthar (14%)

a_massive_walrus (15%)

a_servant_sea_elephant (14%)

a_servant_walrus (14%)

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

sirens_14, range=183 (-301,-53,-88)

an_enthralled_bulthar (100%)
an_enthralled_bulthar (100%)

sirens_15, range=134 (-225,-30,-108)

sirens_16, range=87 (-227,18,-108)

sirens_18, range=173 (-250,-64,-88)

sirens_20, range=110 (-301,54,-88)

sirens_51, range=93 (-293,121,-121)

sirens_62, range=146 (-342,140,-19)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_72, range=199 (-51,-30,-133)

sirens_84, range=107 (-213,-6,-33)

a_coldspine_seahorse (100%)

sirens_93, range=152 (-353,110,-19)

#Ulth_the_Enraged (20%)
an_enthralled_bulthar (80%)

sirens_129, range=174 (-34,53,-125)

sirens_130, range=172 (-43,32,-117)

a_siren_myrmidon (50%)
a_siren_templar (50%)

sirens_131, range=175 (-54,7,-110)

a_siren_beguiler (50%)
a_siren_templar (50%)

sirens_132, range=180 (-64,-16,-104)

a_coldspine_sea_hors_190199, range=95 (-152,20,-22)

a_coldspine_seahorse (100%)

a_twitching_swordfish, range=55 (-146,105,-53)

a_twitching_swordfish (100%)

sirens_223847_takp_import_v0, range=199 (-50,-29,-133)

sirens_an_enthralled_bulthar6_takp_import_v0, range=175 (-263,-62,-88)

an_enthralled_bulthar (100%)

sirens_a_coldspine_sea_horse14_takp_import_v0, range=87 (-226,18,-108)

sirens_223842_takp_import_v0, range=145 (-341,140,-19)

sirens_223843_takp_import_v0, range=37 (-237,91,3)

an_enthralled_molkor (50%)
an_enthralled_ulthork (50%)

sirens_223858_takp_import_v0, range=1 (-200,102,3)

a_servant_sea_elephant (50%)
a_servant_walrus (50%)

sirens_a_servant_sea_elephant109_takp_import_v0, range=171 (-249,-63,-88)

a_servant_sea_elephant (100%)

sirens_an_enthralled_ulthork16_takp_import_v0, range=104 (-291,49,-85)

an_enthralled_ulthork (100%)
an_enthralled_ulthork (100%)

sirens_223859_takp_import_v0, range=110 (-300,54,-88)

a_servant_manatee (50%)
a_servant_sea_elephant (50%)