How do you get key to null on woozworld?

To get a key to null on Woozworld, you'll need to participate in specific events or challenges that offer the key as a reward. Often, these keys are linked to certain quests or activities within the game. Make sure to keep an eye on the Woozworld announcements and community for any updates on how to obtain the key, as they can change frequently. Additionally, engaging with fellow players might provide tips on the latest methods to acquire it.