|Caster|| Ultimate Ben|
|First Appearance||Ben 10,000 Returns|
Darkstar used this spell in Mystery, Incorporeal to close and lock the door to the college basement in order to stop Ben and his team from entering.
Contego means "to protect" or "to shield" in Latin.
- After using the spell, Ben 10,000 said that when you hang around an Anodite for 20 years, you "pick up a few tricks".
- Contego was also a spell that was used by DC Comics heroine Traci 13 in the World of Flashpoint mini series.