You need Mercury treads cause they make you run alot faster and they give you magic resist, so you dont take so much damage from spells. they also give you tenacity so your time slowed or stunned i reduced.
Warmogs armor is the thing that gives you the most health in the game, it not only give you alot of health it also gives you health regen, so when you lose health, you get it back faster!
This is also a thing that gives you alot of health. It also gives you some damage!
Here is a thing there gives you alot of magic resist like mercury treads, but it also gives you some health regen and some movement speed!
Rod of ages gives you some health and some mana!
Thornmail gives you alot of armor and when they hit you they get %30 of the damage back on them! Play Video