How to use Revenant in a sentence

To celebrate Halloween, I'm going to dress as a revenant and try to scare my little sister.

In Medieval European literature featuring the undead, the presence of a revenant indicates the spread of disease among the living.

The last time I watched a zombie movie before bed, I had a nightmare about being chased by a revenant.

I'm more interested in live people and guests in Bird Song, not some revenant.