Irelia Runes explained
There's one set of runes for Irelia on patch
11.7
that is the clear favorite for LoL players and pros alike. The best Irelia Runes on the position 
Top are Precision as the primary path and
Inspiration as the secondary path with a pick rate of 76%. Besides runes you should take a look on Irelia Build and if you are interested in pro matches take a look at Irelia Probuilds. If you want to discuss
Irelia then you should visit the champion subreddit.
Primary path on Irelia
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. This is usually followed up by taking
Triumph,
Legend: Bloodline and
Last Stand.
Triumph restores on Irelia a part of missing health and award bonus gold, if a champion is killed.
Legend: Bloodline gives life steal, which aids in winning damage trades and fights in the later stages of the match. With
Last Stand you deal more damage while you are at low health.
Secondary path on Irelia
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
Time Warp Tonic.
Biscuit Delivery is a great rune for laning as it gives additional health and mana, which can help in more aggressive lanes.
Time Warp Tonic gives you additional sustain by boosting your
