Roger's Devil Fruit Power?

[aggeroff]

Put your hand on your face.

Then what were you asking about? your question was the definition of vague

Edit: no response? Does that mean I did answer your question? Or did you just forget?

[pratesh]

No one has shown the ability to control the element of water. He was the Pirate King, so he should have the grandest power of them all, the sea itself.

You never know.

[Flare Blitz]

Highly unlikely.