Assassin should hypothetically have an easy time protecting you from enemies during the Holy Grail War with all of the deadly poisons that her body naturally produces, but those same toxins will kill you if you so much as try to hold her hand. Hassan-i-Sabbah, or Serenity as she prefers to be called, is hard to read, but always seems to have a wistful look in her eyes. The girl isn't currently by your side, but she's surely watching you from somewhere out of sight nearby…