A Vexing Valentine

Every day the monsters come through The Divide. For exactly six hours they have free rein before they're pulled back to their realm. For six hours every day, it's hell on earth.
So make sure the correct symbols are carved deep into your threshold and every windowsill. Make sure you recharge them with a few drops of your blood at least once a month to keep the monsters out.
And whatever you do, don't go outside past curfew.

Max:
I used to hunt the monsters that hunt humans ... that is until I ...