Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
Start the game with a Regrowth Pendant. First time u come back to spawning ground would be best for u to have 350 + 1110 gold, to buy Boots of Speed and Giant's Belt. After that try to finish the Sunfire Cape asap, to help u with farming. The items u get next depends much on the enemy team, u should get Randuin's Omen against a heavy ad team, other good choices are Frozen Heart or Thornmail. Against a heavy ap team u should get Force of Nature, and against a heavy cc team get Banshee's Veil and instead of Ninja Tabi upgrade ur boots to Mercury's Treads. Against a heavy ad team Force of Nature is only 1/2 useful, change it with Warmog's Armor. Get another Randuin's Omen, or another Sunfire Cape if you don't need to have Banshee's Veil