I know, she doesn't look like Kairi at all cryforeverplz
This is what I envisioned for the Kingdom Hearts 3 final battle of Kairi. The place is in Castle Oblivion that's why there are chains printed on the ground.. The keyblade was inspired by Young Xenahort's and P. Shricker's Keyblade.

To my lovelies, I'm sorry I haven't replied to you yet.. I'm currently busy because of work... :( (Sad) but I'll keep in touch as much as I can.xoxo

EDIT: Made some additional changes for a better look ; v ;

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Tools: Adobe Photoshop CS6, Intuos5
Time: 15 hrs+