The Black Belt is earned by versing other players in Card-Jitsu. When you win this, you can challenge Sensei for the oppurtunity to win the Ninja Mask and also entrance to the Ninja Hideout.
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.