Not Updated For Current Season
First buy Doran's Bladethen Berseker's Greaves , if it does not come to you catching the side items, after that The Brutalizer [img=] , then, B.F sword [img=and buy The Black Cleaver , then, Phantom Dancer , then, buy Infinity Edge and buy Youmu's GhostBlade
Pros / Cons
Use your ulti for kill when he is running to escape
for haras him use W
The downside is that you are against a sion, stuns you and leaves you focus.
It is also bad to have someone Sona with him, it makes the stun and bam dead.
Dont use always skills
When more DMARDs best, you have everything farmer when you are alone if you do not, fail to make OP and you might win