become undetectable ? please help

[shaga]

I seem to remember a template that erased your existence from the world and made you undetectable or something like that. Anyone remember its name? I think it had to do something with a god.

[Madara]

Vecna Blooded

[shaga]

Yes thank you that's exactly what I was think.

[rot42]

Monster Manual V page 66. Requires evil and some arcane casting.