Irelia Runes explained
There's one set of runes for Irelia on patch 14.9 that is the clear favorite for LoL players and pros alike. The best Irelia rune paths on the position 
Top are 
Precision as the primary path and 
Inspiration as the secondary path with a pick rate of 78%. Besides picking runes on Irelia you should learn how to play Irelia and if you are interested in pro matches take a look on how a pro builds Irelia. If you want to discuss 
Irelia then you should visit the champion subreddit.
Irelia runes from primary path
Precision improves attack and sustained damage on Irelia troughout the match. Most of high elo players – and our LoL pros in the the major regions – have agreed that 
Conqueror is the best keystone rune to run on Irelia. This keystone rune provides additional power in the later stages of a game. As soon as Conqueror is fully charged, Irelia deals additional damage and gains life steal. Other primary runes on Irelia are 
Presence of Mind, 
Legend: Tenacity and 
Last Stand.
Presence of Mind helps Irelia with the mana problems by restoring missing mana, if a champion is killed. Irelia gains extra Tenacity with every additional stage of Legend: Tenacity. With Last Stand you deal more damage while you are at low health.
Irelia runes from secondary path
When it comes to your secondary path, most Irelia players prefer to go with Inspiration. Inspiration opens creative opportunities on Irelia troughout the match. On the Inspiration path, the best runes for Irelia are 
Biscuit Delivery and 
Triple Tonic.
Biscuit Delivery is a great rune for laning as it gives additional health and mana, which can help in more aggressive lanes. You will receive a 
Perfectly Timed Stopwatch for free, which can cause a moment of surprise for your enemy team.
FAQ for Irelia Runes
Which is the best keystone rune on Irelia?
The best keystone rune on Irelia is Conqueror. This Irelia runes setup is then referred as Irelia Conqueror.
What runes does Irelia use?
Runes from the paths Precision and Inspiration are the most used runes on Irelia. For the exact pick rates of Irelia runes used, you have to study the rune distribution presented.