Laura's (probably a bit more vertically competent than a Guardian might be, but you're on the right track. She adventures, and Guardians adventure. Personally, [i]Shadow of the Colossus[/i] came into my mind. A lot of falling off of loose roots and rocks -- not the most competent, just enough to leave it still thrilling. Edit: Not a lot of falling off of loose ground in SotC, but the swaying back and forth dangerously off of a shaking behemoth was probably were the idea stems.