Duel Arena. By speaking to Mubariz in the entry of the Duel Arena you can choose if you wish to be awarded Arrows, Bolts, or Runes if you duel. Due to how this can certainly be using for somebody to acquire expertise in the RS gold Magic Skill easier (eg. Someone puts full rune, vambraces and anything they can find to lower their Magic Attack and throw Wind Strike or another weak spell on somebody constantly so that they almost never perish and gain an infinite amount of magic experience til they max out.) Experience from using the Runes, Arrows or Bolts here will provide 0 percent of what it initially gives. In other words you can not use them to gain experience here. You'll be given 300 Catalytic Runes and 1,000 Elemental Runes if you choose Runes. If you decide on arrows you'll be given 650 Spiritual Arrows.
Barbarian Assault. It simply doesn't make sense that you're being forced to use your OWN Runes and Arrows in a match in which you do not get expertise for using them. However simply giving you Spiritual Arrows which will make it possible for buy RuneScape gold you to never change doesn't make much sense. Captain Cain has requested Fiara make special Spiritual Arrows, which will reflect Bronze, Iron, Steel and Mithril Arrows. Each amount represents the level of this arrow.