The Null Void is an alternate dimension, where The Plumbers captured and stored dozens of hostile aliens and threats to humanity, essentially being a prison. You must use a Null Void Projector have access to the Null Void.

The Null Void's landscape is always changing making it impossible to know where you are going.

Trapped Prisoners

• Phil imprisoned in "Truth"
• Vulkanus imprisoned in "Ken 10"
• DNAliens in ''Max Out''
• Highbreed Commander in ''Max Out''
• Max Tennyson (Possibly) in ''Max Out'' (unknown)

Escaped Prisoners

• Vilgax imprisoned in "Back With a Vengeance". Escaped in Secrets of the Omnitrix.
• Kevin Levin imprisoned in "Back With a Vengeance". Escaped in "Ken 10"