Kappa is a merman, known formally as "The Beacon," who was to have a key role in many prophecies. In one such prophecy, he was to be killed by Siren,[3] but he ends up escaping with him, both refusing to answer the call of prophecies. Personality Kappa is energetic, yet self-conscious. He seems a little dramatic, but that makes him all the more charming. He's a little flirty, playful, childlike, and all in all, a beacon of energy. He worries about failing the prophecies of others, and failing