Mistrunner

From the publisher:

You are a mighty warrior, life and death is determined by the swing of your axe.

You are a fire elementalist, bending flame to your will.

You are a cunning rogue, relying upon your stealth and wits to fulfill your desires.

Your are a Mistrunner, plunging headlong into an unknown world, uncovering secrets long lost to the ravages of time, a living testament to the adaptability of ancient man.

The core rules have everything you need to play, including over 150 pages of setting material. Enjoy an open magic system, if you can imagine it, you can try it.