Shen Runes explained
There's one set of runes for Shen on patch 14.9 that is the clear favorite for LoL players and pros alike. The best Shen rune paths on the position 
Jungle are 
Domination as the primary path and 
Inspiration as the secondary path with a pick rate of 88%. Besides picking runes on Shen you should learn how to play Shen and if you are interested in pro matches take a look on how a pro builds Shen. If you want to discuss 
Shen then you should visit the champion subreddit.
Shen runes from primary path
Domination improves burst damage and assassination tools on Shen. Most of high elo players – and our LoL pros in the the major regions – have agreed that 
Hail of Blades is the best keystone rune to run on Shen. This keystone rune helps you to win short damage trades in your lane by increasing your attackspeed at the beginning of a fight. Other primary runes on Shen are 
Cheap Shot, 
Eyeball Collection and 
Ultimate Hunter.
Cheap Shot makes you deal more damage to enemies with impaired movement, which has great synergy with the setup of Shen. Eyeball Collection is next up. This grants the user additional damage with every killing they score. Ultimate Hunter scales up Shen ultimate haste on every unique champion takedown.
Shen runes from secondary path
When it comes to your secondary path, most Shen players prefer to go with Inspiration. Inspiration opens creative opportunities on Shen troughout the match. On the Inspiration path, the best runes for Shen are 
Magical Footwear and 
Cosmic Insight.
Magical Footwear allows Shen to focus on those essential core items without the need to spend the additional 300 gold on boots. Cosmic Insight grants summoner spell and item haste.
FAQ for Shen Runes
Which is the best keystone rune on Shen?
The best keystone rune on Shen is Hail of Blades. This Shen runes setup is then referred as Shen Hail of Blades.
What runes does Shen use?
Runes from the paths Domination and Inspiration are the most used runes on Shen. For the exact pick rates of Shen runes used, you have to study the rune distribution presented.