Hello and welcome to my Hecarim build. First of all im not english so there will be mistakes in my grammer. and Secondly please dont downvote this because you dont like my items or skill order. read it, test it, and then up or downvote! also a comment about what i can do better is always appreciated.

my runes are

Marks: Greater Mark of Desolation: +1.66 armor penetration

Seals: Greater Seal of Resilience: +1.41 armor

Glyphs: Greater Glyph of shielding: +0.15 magic resist per level, 2.7 at champion level 18.

Quint: Greater Quintessence of strength: 2.25 attack damage or Greater Quintessence of Desolation: 3.33 armor penetration.

I put up two choices for the quintessences, its all about prefference. i like the armor penetration more since that is what most people buy, but the attack damage is cool for games where the enemy doesnt take that much armor.

I go for a 21/0/9 taking the