Hakkek Hakkek no Mi

The Hakkek Hakkek no Mi, otherwise known as the White White Fruit, is a Paramecia class devil fruit that allows the user to create and control the white blood cells.

Uses
White blood cells are specialized cells that defend the body from disease, so this fruit can be used to both harm an help people. On one hand, the user can remove all white blood cells from an enemy's body, thus removing their defenses to disease. On the other hand, the user can give more white blood cells to a person, helping them cure their disease faster