Hie Hie no Mi (Maxr7)

Introduction
Cana ate the Hie Hie no Mi (Maxr7) also known as the ice ice fruit which turned Cana into an ice human. She can now generate, control, and become ice itself.

Appearance
What did the Devil Fruit look like before it was eaten?

Usage
How does that character use this Devil Fruit? How does it function? Does this character use this Devil Fruit any differently from the previous user?

Strengths
What are the greatest benefits that this Devil Fruit gives to the user? What advantages does the user get from eating this particular Devil Fruit, that makes him/her special when compared to an ordinary person?

Weaknesses
Aside from the standard, universal Devil Fruit weaknesses (falling into large bodies of water, having Seastone attached to him/her, etc.,) what other, inherent weaknesses does this Devil Fruit present to the user? What does the user have to be cautious of?

Attacks
List your Devil Fruit's amazing, spectacular attacks here!

Trivia
Tell us fun facts about your Devil Fruit.