He sang in the sea, and for hundreds of years, he watched countless ships being shattered by his singing, from small wooden boats to sailboats, from sailboats to steamboats. Weak humans are constantly making progress, but the powerful siren can only continue to sing on the sea. Sirens possess nearly infinite lives, intelligent brains, bewitchingly beautiful faces, and powerful strength, but even with these, they can only hunt and kill like wild beasts, relying on their fangs and claws.
Because God never gave him a soul.