Sirens is a Spirit/Water Epic Boss from May 15th, 2013 to May 21st, 2013. Like all the others, it starts with 448 health, and needs 50 of the dropped items to craft. It is effective against Fire and Earth armors. However, it is ineffective against Fire and Air elements. Siren's Nemesis Armor, the Nemesis armor for this Epic Boss, is available in the Dark Prince's Chest during this Epic Boss' reign.
Sirens returns in Thieves Cove in Heroic Mode.