What's the core item of a hungry Ahri?

http://media.treehugger.com/assets/images/2013/10/seal-of-approval-meme.jpg

I thought you were gunna say essence reaver on account of her past of stealing essence... lol.

Am I the only one who thought it would be a needlessly large rod?

I don't know why this was downvoted, but problem solved ;D