Sirens are the originals inhabitants of the island, feeding fish, skimming the water then diving to catch their prey. The remainder of the time they sing, their voices are magic and the old men and elves build them an amphitheatre where they never had enough earing them. However in battle this gift reveal itself also devastating for the adversary wich they attract near of them . And you will need to have a strong will or a magic resitance not to be captivate by their deadly singing.