Anahita acts like a siren because by Charm people with her songs so that her best friend the Leviathan can take advantage of the distracted sailors and the Leviathan will act like a shark and burst out the water while eating the sailors. The Leviathan will act like a tank in fights and Anahita being the Hydromancer to support the Leviathan in battle. Leviathan will wait at the bottom of the sea waiting for Anahita to charm someone enough, so she eats them while they are distracted.