I will start out by saying this is my first guide, so bear with me please. I don't play as often as I would like, but for what it's worth, I can say I have played over 50 Dominion games, and when I play Ashe, I win far more than 50% and I tend to be in the top 3 for my team. It is also worth noting that this is the only full Ashe build for Dominion at the time of writing, and any input to make it better for all would be much appreciated.

Ashe can be an incredible hero in dominion, and based on the items that you buy, she can be a huge asset to the team in terms of what she can offer. However, do not think that this will mean you lead your team, as I find her to be a rather poor carry, and much better as a reverse support in Dominion. Your job will be to nullify and capture points, move quickly to other points, and to be a harass as often as possible. If you can get the other team to concentrate on you as an annoyance, they are not concentrating on your team winning the game.

Just below you can see some of my typical scores, both wins and losses. Now please keep in mind that these scores are typical of myself and will not be anywhere near your own, based on play-style, etc. Also of not here is that high score does not equal victory, and you job is not to concentrate on how many points you get each game.

Also of note would be how to play Ashe right and how to play her wrong. Sorry to whoever I may be dissing here:

Keep in mind that your job is to be a disruptor, not a carry as in normal games. As a disruptor, your job is simple: stop the enemy from capturing/nullifying points and kill them quickly or CC them to death if possible.

For more on the "roles" in Dominion, please, Please, PLEASE read Zemiazas guide

Keep the enemy at bay, be annoying to the enemy heroes by kiting and baiting them into bad situations, and have fun. Make sure to toggle your Frost Shot on and off when needed, as it will eat your mana very fast.

Use Frost Shot to slow your enemies down, and your better movement to stay out of range, it will help allies get to your aid, and makes for a real nuisance! Volley will be your standard damage to enemies and minions, should you need a little extra cash. As it also slows, it helps quite a bit against multiple enemies. Your Hawkshot is nigh useless except to reveal bushes, and once you have your items, you won't even need that.

Your Enchanted Crystal Arrow spell is best used to stop a team from nullifying points, or just before your team gets there. Additionally, with a properly timed arrow, you not only save your point, but cause some tower damage and make an easy defense for your team.

Runes are mostly straight-forward: arpen, dmg, and mana regen. The major deviation here is going to be the quints, which have been changed to move speed, mostly to keep you alive and moving fast.

You could alternately substitute in your own fave runes for an ad style carry. Also, adding more movement speed or cooldown reduction would not go amiss here.

Personally, I don't know if these are the most optimal, but they happen to be what I use, and I have never had a problem.

Ghost and Cripple were both taken based on the Summoner abilities picked. Alternately, you can go more utility based and get an even higher drop in cooldown reductions to make use of spells more often. Dominion seems to be based quite a bit on the money you can aquire, and I find Greed to be quite useful to that end, although some may greatly disagree.

If you want to go more offensive with 21/0/9, or more defensive with 9/0/21, feel free to do so!

You start with more money in Dominion, so make use of it. Speed, Life Steal, and Health are open right from the beginning, with a little left over for pots, if they are your thing. Also keep in mind that Ashe is extremely item dependent and quite squishy. Anything you buy that can keep you alive longer (damage, life steal, and defense).

This is the spot where your items selection should truly be based on the heroes you go up against. I highly recommend at least 1 Phantom Dancer for the increased movement (2 of them if the enemies have no stealth).

If you have enemies that can stealth (I'm looking at you Wu Kong and Twitch), The Lightbringer is an absolute must, as it will reveal them for 5 seconds after being hit, and makes them easy to take out since most will stealth and stand there to die (They also can't hide in the bushes, since they will be revealed there). I would not personally recommend more than 2 items that increase attack speed, and tend to concentrate heavily on damage after I have both.

A team heavy in defense (as they usually tend to be in games I play) is going to need something to lower their defense, and Last Whisper certainly helps there, or you can always go with the classic Black Cleaver if you have extra cash handy. With all these items, you can hit your enemy faster, slow them more often with Frost Shot, and keep yourself alive longer.

Lastly, high damage and lifesteal are a priority late game, and the new Sanguine Blade can certainly work wonders for both. I recommend doubling up on it, or pairing it with the standard Infinity Edge to improve your damage higher and get you nearly to a crit cap (65% with 1 Phantom Dancer or 95% with 2).

Based on your enemies, you can level up Frost Shot before Volley. Especially against a Singed, Rammus or Twitch, I will favor Frost Shot to really muck their speed down and make them easy targets. Against melee, unless they have a spell to move quickly to you, you can outpace them all day (I know there are many that can, but watching Singed run at a snail's pace with nowhere to go really makes my day).

In the theme of reverse support, I stick to Ghost and Exhaust to keep the enemy at bay. Ghost also makes moving around the screen quite a bit faster. Alternatively, Garrison and Flash can also be chosen. Garrison makes defense incredibly easy, and Flash can't ever be a bad spell to take (and when used with Garrison, you can lure an enemy to your position, then cast both and have the tower damage decimate your opponent). You will return home to buy and heal (or be dead) quite often, so don't bother with Heal and Clairvoyance based spells.

Honestly, don't bother unless you plan to use your own minions to help you solo push a tower. Ashe is not a pusher or carry with this build, so I recommend avoiding it. If you need a little extra cash, though, minions are worth more in Dominion, and it might be nice to quickly make another 100g before teleporting home.

Have fun, be annoying and go conquer the Crystal Scar! I hope this guide will be helpful, and as it is my first, please be nice in comments (and please comment if you read this far)... Thank you and that is all. Now go pubstomp!

3 Oct 2011 - Runes and mastery adjusted to increase movement speed.
3 Oct 2011 - Updates to make the guide more user friendly.
4 Oct 2011 - Pics added for flavuh.
19 Oct 2011 - Updated first item build to better reflect my winning playstyle =)

-- Special thanks to JhoiJhoi's guide to guides