Hello, and welcome to my guide! Now, this is my first build that i've posted so don't be too harsh with the criticism. Basicly this will give Pantheon the ability to take quite a bit of punishment while dealing alot of damage at the same time.

PROS
[*] Good damage
[*] Good sustainability
[*] Hard to outrun/escape

CONS
[*] With this build he doesn't deal a ridiculous amounts of damage and he also can't take alot of damage. It's a fair trade-off though.

The Runes that i've chosen are pretty straight forward. ArP Marks and Quintessences for that extra damage early game. For the seals I grabbed armor and magic resist because it will help more then you'd think. I chose 3 cooldown glyphs because your E takes awhile to come back up, and 6 attack speed glyphs just for the hell of it.

This Pantheon build focuses on doing damage so ofcourse I went with 21 in offence. I put 9 in the defensive tree because no one likes to die, and Pantheon tends to get smacked around alot.

The first item you want is a longsword and a HP pot. This enables you to do a little bit more damage early game and heal up to stay in lane longer. Then you want a ruby crystal to build into a phage. Buy some Beserker's Greaves next to dish out more damage quicker and run away when need be. Head back to the shop when you have enough to buy a Phage. If you have enough buy a dagger or Brawlers gloves to build zeal. Next item you want is Sheen. Now I know what your thinking "Trinity force on Pantheon that's absurd". Quite the contrary actually. All of Trinity Force's skills are used on him. Build a bloodthirster for that lifesteal boost and damage, then head into a warmogs and atmas impaler. If they have alot of tanky champs get a last whisper but if your already tearing through them get an Infinity Edge.

The skill sequence is pretty easy to understand. Get Q first for that harass, then get your W, then E. When R comes up grab that as quickly as possible. Your combo is what will obliterate them. If your ulti is up and they're bunched together use R>W>E>Q. If you don't want to use your ulti just use W>E>Q.

The summoner spells are pretty straightforward. Pantheon doesn't have a good escape so flash helps alot. I like exhaust in case your in a tight situation which will give you a huge advantage. Other good summoner spells are Ghost and Ignite. The other ones have their uses but these spells are the best for Pantheon in my opinion.

If a team fight breaks out use your ultimate to deal as much damage to the enemy as possible. Or if you want you can ulti in and stop their retreat.

Pantheon can farm pretty easily, if your getting bullied use your Q to pick off creeps from a distance. And if there are alot of creeps use your E to deal damage to them all.

Once your in the late game you should be able to take alot of punishment while dealing out a ton of damage at the same time. Don't follow the guide down to the letter. Such as if they have alot of AP get something like banshees veil or quicksilver sash. Hope this helps, have fun and goodluck