Heimerdinger Runes explained
There's one set of runes for Heimerdinger on patch 14.9 that is the clear favorite for LoL players and pros alike. The best Heimerdinger rune paths on the position 
Support are 
Sorcery as the primary path and 
Domination as the secondary path with a pick rate of 59%. Besides picking runes on Heimerdinger you should learn how to play Heimerdinger and if you are interested in pro matches take a look on how a pro builds Heimerdinger. If you want to discuss 
Heimerdinger then you should visit the champion subreddit.
Heimerdinger runes from primary path
Sorcery empoweres abilities of Heimerdinger and increases the available champion resources. Most of high elo players – and our LoL pros in the the major regions – have agreed that 
Arcane Comet is the best keystone rune to run on Heimerdinger. This keystone rune adds more damage to your abilities and increases your power in the laning phase. Other primary runes on Heimerdinger are 
Manaflow Band, 
Celerity and 
Scorch.
This is usually followed up by taking Manaflow Band for additional mana and mana regenaration. Celerity boosts all movement speed bonuses to Heimerdinger. Scorch increases your control in the early game.
Heimerdinger runes from secondary path
When it comes to your secondary path, most Heimerdinger players prefer to go with Domination. Domination improves burst damage and assassination tools on Heimerdinger. On the Domination path, the best runes for Heimerdinger are Taste of Blood and Relentless Hunter.
Taste of Blood heals Heimerdinger as soon as you damage an opposing champion. Relentless Hunter increases your movement speed out of combat due to every unique champion takedown.
FAQ for Heimerdinger Runes
Which is the best keystone rune on Heimerdinger?
The best keystone rune on Heimerdinger is Arcane Comet. This Heimerdinger runes setup is then referred as Heimerdinger Arcane Comet.
What runes does Heimerdinger use?
Runes from the paths Sorcery and Domination are the most used runes on Heimerdinger. For the exact pick rates of Heimerdinger runes used, you have to study the rune distribution presented.