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Beautiful and brilliant sorcerer girls just can't have nice things, huh? All I wanted to do was swipe a little bit of bandit treasure. Now suddenly I'm being chased around by icky trolls, nasty demons, mean mummies, and brooding golem bad boys. And for what? A tiny little artifact that can bring about the end of the world? Hah! I'll show them there's a reason you don't cross Lina Inverse... (Source: J-Novel Club)

Lina Inverse, a wandering sorceress and bandit-killer, joins forces with roving swordsman Gourry Gabriev in what's supposed to be a quick union of convenience. *Note: This is the main Slayers manga, adapted from the Slayers novels vol.1-8. The fourth volume is adapted from the Slayers Return movie.*