Siren Sci-fi Mech

THE SIRENMedium aberration, UnalignedArmor Class 15 (Natural Armor)Hit Points 85 (1068-40)Speed 30 ft.STR 14(+2)DEX 16 (3)CON 18 (+4)WIS 14 (+2)CHA 20 (45)Saving Throws Wis +5, Cha +8Skills Perception +5, Stealth +6 Damage Immunities poisonCondition Immunities poisonedSenses blindsight 30 ft, passive Perception 15Languages Challenge 6 (2,300 XP)

Amphibious. The Siren can breathe both air and water.Charming Gaze. The Siren's gaze is enchanting. A creature that starts its turn within 30 feet of The Siren and can see it must make a DC 16 Wisdom saving throw. On a failed save, the creature is charmed by The Siren until the end of its next turn. While charmed, the creature idolizes The Siren and can't take reactions. The Siren has advantage on Charisma (Deception) checks against the charmed creature,Enthralling Song. The Siren sings a captivating song. All creatures within 60 feet that can hear The Siren must make a DC 16 Wisdom saving throw or be charmed for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on a successMultiattack. The Siren makes two attacks one with its and one with its Mold Embrace