Here's an excerpt from the guide:
This build will lay out how to play Shen in an aggressive way, allowing you to be a threat across the map, even in multiple places at once. Due to the utility of his ultimate, Shen is probably the only jungler who can gank once and then immediately assist in another situation across the map. This allows you to give your team supreme map control, and will make you an essential part of carrying most teams to victory.
You can check out our Shen guide in its entirety here. Enjoy!