!!!KEEP IN MIND THIS IS A 3v3 BUILD!!!
well 1st off yi is an insane power house revolving all around att speed. game start buy boots and do whatever you do though save up until you can buy the Boots of Swiftness and just farm creeps until about lvl 8.

around lvl 8 you should have a couple kills under your belt and you should start to jungle and build up money and start by buying 2 cloaks of agility and buy 2 brawler gloves after you bought the cloaks. once you have bought the gloves next focus on buying to zeals's which having the cloaks and the zeals reduces your phantom dancers to 820g each. try and farm kills on your opponents and get fast gold if you cant just farm creeps and jungle more.


After purchasing the the phantom dancers focus on you bloodrazor by now you can solo dragon and gain more gold as well as helping your team. buy the items that make madreds bloodrazor which wont take long, by now you are racking up enemy kills(keep jungling after aces or if you dont see anyone for a while).

Usually if you are paying with a good team you usually dont get to buy the infinity edge though if you do buy the b.f sword and the pickaxe 1st.

I left the last item spot blank due to the fact because that spot is meant for armor depending on who you are fighting melee or magic those wisely and armor can be put in any order you can buy it 1st or last

the reason i chose exhaust is because i hate when im about to kill someone and they are able to out run me or get away from me.

reason i use sprint is because no matter what time it is in the game yo always need that little speed bosst especially in early game. also if your team wants to gank you can be there.