|Powers and Abilities|
Sleep Induction (via Energy Beams)
|First Appearance||Hit and Miss|
- Nigester made his debut appearance in Hit and Miss where he was used to fight Nightcaster (later revealed to be Eunice).
- In Ten Plus Twenty, he was used again to defeat (and accidentally kill) Nightcaster, he was removed from the Omnitrix by Azmuth since there was a change of Nightcaster returning through Nigester.
- In The Alternative, an alternate timeline Ben used Nigester (activated through a spell by Gwen) to get to Vilgax's ship, only to be thwarted by the revelation of the Oneiromancer's big weakness.
Back in Action: Alien Universe
- His original name was "Nightcastron."
- Orginally set to appear in Ben 10: Omni-Revolution before its cancellation, Nigester/Nightcastron was to be one of the many unique aliens featured, and was created by co-creator and then-animator (now writer) Random.
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