Talk:Thresh/@comment-10167113-20140202144857/@comment-1330314-20140204064648

Damage reduction is basically another way of calculating effective health. If you have 1000 health and 0 armor, you will die if you take 1000 physical damage. This also means you have 0% damage reduction. If you have 1000 health and 100 armor, you have 50% physical damage reduction, and thus it would take 2000 physical damage to kill you. If you have 1000 health and 200 armor, you now have 66.7% physical damage reduction, which means it takes 3000 physical damage to kill you. Damage reduction looks like it has diminishing returns as you stack armor, but in fact it doesn't: every point of armor or magic resist will increase your effective health by 1% of its base amount, regardless of how much you already have.