Ketsu Ketsu no Mi

The Ketsu Ketsu no Mi is a Paramecia type Devil Fruit that grants the user the power to remove oxygen from one’s surrounding environment. It was eaten by ???. "Ketsu" (欠) is the japanese meanning for "Lack".

Strengths and Weaknesses
This fruit's major strength is that it grants the user the ability to erase the oxygen around them causing respiring organism to choke and even go into cardiac arrest. The user can release a molecular wave causing oxygen molecules to dissipate.

Foreign oxygen will concentrate into the area due to diffusion when the user is not constantly using their power.

Can be concentrated onto certain areas, an example being a flame's or villain’s proximity.

Some users of Fire Manipulation may apply their abilities to burn off oxygen from a small space, effectively granting them this power as well.

The user of the Ketsu Ketsu no Mi has one weaknesses unique to themselves other than the standered Devil fruit weakness. The user May accidentally suffocate the user or their allies.