This is a build that gives Orianna quite a bit of ability power and then focus on her passive with attack speed which makes her a lot stronger in 1 on 1 fights. I have been maining Orianna a bit now and this build fits perfectly with her spells and her auto attacks. Although you can make changes to this build like for instance instead of an archangels staff you can get a will of the ancients for more survivability but if you are looking for a damage build which helps rack up those kills then this build should suit you quite well. I should be putting a yorick build up pretty soon so stay tuned for my yorick build.