this build give u armor and magic resists that make u tanky but 1st at all make ur infinity cuz this is the main item of pant then go for the rest of the build . with this build u are not only tanky u have attack speed and life steal u do tons of dmg and u can carry ur team with no problem even when u are a tank . with the last patch stark fervor is change but yes buy it it gives u more hp , as and hp .