Talk:Jarvan IV/@comment-15562896-20120628102437/@comment-4929329-20120628153404

6 ArPen from masteries and 4.8 from runes is 11 ArPen. Most jungle creeps have 10 armor, so 3 in sunder and 3 ArPen marks is optimal jungling.

Now you understand the power of reducing armor when you have ArPen: % happens FIRST this way, so... Ex: 100 armor enemy. Q reduction and 31 ArPen. 100 * 0.7 - 31 = 39 Armor. In other words, flat armor pen works with J4 Q