NPCs composing that spawngroup :

a_massive_walrus (25%)

a_servant_manatee (25%)

a_walrus_servant (25%)

a_walrus_servant (25%)

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

sirens_10, range=170 (-551,-25,-92)

sirens_11, range=128 (-523,7,-110)

a_coldspine_seahorse (100%)

sirens_12, range=157 (-511,-52,-114)

sirens_14, range=160 (-301,-53,-88)

an_enthralled_bulthar (100%)
an_enthralled_bulthar (100%)

sirens_16, range=187 (-227,18,-108)

sirens_17, range=127 (-469,-45,-88)

sirens_19, range=145 (-387,-77,-88)

sirens_20, range=107 (-301,54,-88)

sirens_21, range=53 (-457,88,-114)

sirens_24, range=143 (-378,207,-19)

sirens_39, range=152 (-492,194,-155)

sirens_40, range=133 (-513,150,-151)

sirens_41, range=161 (-544,155,-152)

sirens_51, range=127 (-293,121,-121)

sirens_62, range=98 (-342,140,-19)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_81, range=171 (-238,91,3)

sirens_93, range=69 (-353,110,-19)

#Ulth_the_Enraged (20%)
an_enthralled_bulthar (80%)

a_coldspine_sea_hors_190193, range=52 (-456,88,-107)

a_coldspine_seahorse (100%)

a_coldspine_sea_hors_190194, range=34 (-442,66,-115)

a_coldspine_seahorse (100%)

sirens_an_enthralled_bulthar6_takp_import_v0, range=194 (-263,-62,-88)

an_enthralled_bulthar (100%)

sirens_a_coldspine_sea_horse14_takp_import_v0, range=198 (-554,202,-162)

sirens_223842_takp_import_v0, range=99 (-341,140,-19)

sirens_223834_takp_import_v0, range=143 (-377,207,-19)

an_enthralled_bulthar (50%)
an_enthralled_molkor (50%)

sirens_223843_takp_import_v0, range=172 (-237,91,3)

an_enthralled_molkor (50%)
an_enthralled_ulthork (50%)

sirens_an_enthralled_ulthork16_takp_import_v0, range=118 (-291,49,-85)

an_enthralled_ulthork (100%)

sirens_223859_takp_import_v0, range=108 (-300,54,-88)

a_servant_manatee (50%)
a_servant_sea_elephant (50%)

sirens_Acolyte_of_Convergence000_2558562, range=170 (-578,81,-94)

Acolyte_of_Convergence (100%)