Spirit of the Mansion

The Spirit of Seashell Mansion is a character from who lives in the Seashell Mansion. It will give Link a Secret Seashell if he enters the mansion when he has already five or ten seashells. When Link has collected at least 20 seashells, the spirit gives him the Seashell Sword.

In the manga, Nakura, the ghost who wants to be taken to his house, is the one who gives Link the more powerful sword.