Update 04/09/2018: Illadaproducer, Donna Burke and her manager Michael Bain have all reached out to IGN regarding this article. Illadaproducer has confirmed to us via tweet that he “got it confused with another beat” during his Rolling Stone interview and that the real sample does come from the Tokyo Ghoul song Glassy Sky.
It’s actually Glassy Sky from Tokyo Ghoul. I got it confused with another beat I did in which I used Kingdom Hearts theme. You guys got the exclusive hahaha
— illaDaProducer (@illaDaProducer) September 4, 2018
Source: IGN.com Update: Eminem's Latest Album Samples Tokyo Ghoul, Not Kingdom Hearts