It’s the only explanation.

↓ Transcript
ALT - 0012: OZ

[ Panel 1 ]
:: Cadence is dress up like Dorothy as she’s come across a house that as smashed the evil witch. Could she be Autumn? ::

[ Panel 2 ]
:: Cadence, Joseph, Metal Beard and Adult Rudy are walking down the yellow brick road. Joseph is the Scare Crow, Metal Beard the Tin Man and Rudy must be the Lion. ::

[ Panel 3 ]
THE VOICE OF OZ: I said come back tomorrow! I am the GREAT and...
:: Cadence stands before the great wizard himself, well the creepy green head that is apparently supposed to represent a wizard, that is. ::

[ Panel 4 ]
THE VOICE OF OZ: POWERFUL wizard…
:: Cadence pulls back the curtain reveal that Tupac was the wizard all along. He’s got a fat stack of money and a Record that’s gone platinum back there with him. The mystery of where 2Pac has been all this time has now been answered. ::