runescape: what do you need to do to be able to have and weild a rune defender?

Answer 1

Have you Attack and Strength add up to or more then 130

Enter the Warriors Guild

Get a lot of Tokens by doing any of the mini games there

go to the 3rd floor and fight cyclopses

Fight until you get a bronze defender, then iron, then steel, then mithril, then addy and lastly, rune

Answer 2

40 attack
40 defence

have fun