Talk:Renekton/@comment-176.58.232.93-20120530211731/@comment-5009341-20120531000311

therefore-> 170-45= 125->125*0.75=93.75->93.75-46=47.75->47.75*0.9=42.975
 * 1) Flat armor reduction
 * 2) Percentage armor reduction
 * 3) Flat armor penetration
 * 4) Percentage armor penetration

~43 armor, which equals 30% damage reduction

this way armpen is quite useless and only good if u have high quantities of it (armpen~a mayor part of the enemy armor) to be viable but since the values are so low it is utter waste, though BC,LW and youmuus are good (just runes and masteries are terrible)