Justice United is a group from the final season of Adventure Time ZX. It is consisted of Finn (with Gold Master's strentgh), Knight Mario and Knight Luigi, Winged Yoshi, Super Sonic, and Natsu taking out The Final Destructors led by President Nightmare (Now called King Nightmare due to being cursed). Some former members of Guards of Prophecy as well minor and major characters and Non-Adventure Time ZX ones can transform into their super form thanks to Gold Master's spirit going inside Finn.