Morgana Runes explained
There's one set of runes for Morgana on patch 15.9 that is the clear favorite for LoL players and pros alike. The best Morgana rune paths on the position 
Jungle are 
Domination as the primary path and 
Inspiration as the secondary path with a pick rate of 52%. Besides picking runes on Morgana you should learn how to play Morgana and if you are interested in pro matches take a look on how a pro builds Morgana. If you want to discuss 
Morgana then you should visit the champion subreddit.
Morgana runes from primary path
Domination improves burst damage and assassination tools on Morgana. Most of high elo players – and our LoL pros in the the major regions – have agreed that 
Dark Harvest is the best keystone rune to run on Morgana. This keystone rune gives you additional damage throughout the match. Other primary runes on Morgana are 
Cheap Shot, 
Grisly Mementos and 
Treasure Hunter.
Cheap Shot makes you deal more damage to enemies with impaired movement, which has great synergy with the setup of Morgana. Treasure Hunter is the final rune of the Domination path. This rune gives Morgana additional gold for takedowns. The additional gold is nothing to scoff at and can mean the difference between winning or losing a battle. Morgana will gain an additional 70 gold for the first takedown. Morgana acquires Bounty Hunter Stacks, which Morgana may use to get more takedowns. This rune's power will grow tremendously, and Morgana will become wealthy like never been before. Each time a fresh stack of Bounty Hunter Stacks is consumed, Morgana will get an additional twenty gold.
Morgana runes from secondary path
When it comes to your secondary path, most Morgana players prefer to go with Inspiration. Inspiration opens creative opportunities on Morgana troughout the match. On the Inspiration path, the best runes for Morgana are 
Cosmic Insight and 
Magical Footwear.
Cosmic Insight grants summoner spell and item haste. Magical Footwear allows Morgana to focus on those essential core items without the need to spend the additional 300 gold on boots.
FAQ for Morgana Runes
Which is the best keystone rune on Morgana?
The best keystone rune on Morgana is Dark Harvest. This Morgana runes setup is then referred as Morgana Dark Harvest.
What runes does Morgana use?
Runes from the paths Domination and Inspiration are the most used runes on Morgana. For the exact pick rates of Morgana runes used, you have to study the rune distribution presented.