If you’d like a great way to level up overnight, walking away from your DS for as long as you’d like, try the following. First, get the Fidelis Aranea Glyph from the Skull Spider. Then, head to the Monastery. To the right of the save room in the top left corner of the map is a room that will spawn endless Zombies. Stand on the ledge at the entrance into the room so that the Zombies can’t collide with you, and summon the spider glyph. Then, plug your DS in and walk away, letting the spider do all of the work. When you return hours and hours later, you should have a ridiculous amount of experience.