|Type||Secret Revealing Spell|
|First Appearance||Ben 10,000 Returns|
Ostendo Specialis is described to be a "Spell of Revelation". It's claimed to be a spell to reveal secrets, but instead, it turned out to be different for her as she used it.
Ostendo is Latin for "show" Specialis is Latin for "secret" or "confidential".
|Gwen||In Ben 10,000 Returns, Gwen used this spell on the Hands of Armageddon.|