[@Rune_Alchemist] If you want to give her pure weight-changing abilities, you could use the [url=http://onepiece.wikia.com/wiki/Kilo_Kilo_no_Mi]Kilo-Kilo no Mi[/url] for weight-changing in both directions from one kilogram to ten thousand, or the [url=http://onepiece.wikia.com/wiki/Ton_Ton_no_Mi]Ton-Ton no Mi[/url] if you just want to crush things completely flat.