The items you get will sustain you in lane with the runes and masteries you have and also you will have survivability. you will be able to tank some damage and be able to do some damage and every time you use broken blade make sure you proc it at least once or twice 3 times will be great. Activate your youmuus to secure kill to catch up or run away. Always pop your ultimate in a big team fight it will give you more damage. Early game if you are soloing make sure who are you dealing with and try your best to harass. If the champion overwhelms you try and farm up and be defensive