Author's note: The challenge word was "guise". Tough one.
Disclaimer: If it's mine no one told me.
Word count: 100.
Warnings: None, pre-series
The wraith advanced on Sam, who'd failed his shot, sneering at Bobby's wooden cross.
"Holy! Only as powerful as you believe", she hissed, her guise momentarily saintly. Sam trembled but knew Bobby wouldn't back off... He wouldn't back off and his blood would be on his hands clothes face hair. His mistake had killed them!
"Afraid?" Bobby challenged
She leapt, promptly exploding into dust. And as he helped Sam to his feet Bobby answered the young hunter's wide-eyed wonder with a smile and a shrug. It took a decade of pain, loss and betrayal to erase Sam's faith.