* Take a drink whenever a vampire breaks someone's neck.
** Take another if the neck broken belonged to another vampire.
*** Take yet another drink if the neck breaker is a blood relation to the neck break recipient.
* Take a shot whenever one of the characters is being a hypocrite.
** Take two if it's Elena.
* Take a shot whenever...
** A witch casts a spell
** Somebody gets compelled
*** Take an extra if the person being compelled is wearing vervain.