Sea hags are among the most wretched and terrifying of hags, often found in the waters of seas or overgrown lakes. They resemble ancient, extremely old female humans with sickly yellow flesh covered in warts and oozing sores. Their long, filthy hair looks like rotting seaweed, adding to their grotesque appearance.

Standing about the same height and weight as a human female, Sea hags are not subtle and prefer a direct approach to combat. They often remain in hiding until they can strike with their horrific appearance, which is so revolting it can weaken those who see them. They also have a dire gaze called the evil eye that can daze or even kill their victims with fright