Dishonored: The Corroded Man p. 23

As she approached, Emily accelerated, then jumped to plant one foot on a windowsill, propelling herself up, bouncing against the angle of the wall opposite to go higher, reaching the next portion of the roof and pulling herself up with her arms. She continued, using the planes and angles of the building - its windows, overhands, ledges, gables - to push up and up and up, until after a few minutes she was standing on top of a small, square tower, the highest point, apparently, in this part of the city.

...

The darkness had helped, and the rain, too.