Mysterious feathers, as well as the strange objects, which you conclude to be rune darts. There are 11 of these, you can keep them or RuneScape gold discard themit doesn't matter. Nickolaus will mention they were sticking from the floor at an odd angle, as if they had been thrown from above. Additionally, the blood stains demonstrate that the hunter, that must have been really far away, hit his goal. Head back in the mountain with all the eagles in it.
Close to the eagle that you snuck past, there will be some rocks, which you should climb. For this you may need climbing boots along with a rope. This will set you above the eagles. There's a large cliff just north of you, grapple up with a mithril stand hook. This will set you in a spot with several aviansies! Apparently, they're not all dead. Unless, that is, you are sporting an Armadyl item.
You could blow your bank accounts open getting a Armadyl ranger armor, or you could just get a necklace by speaking killing or to a protector of Armadyl in the temple of Ikov. Or you can use these feathers you just got with some silk, a needle, and thread, to make some Armadyl gloves. These provide a ranged boost and rely as Armadyl armor. While sporting one, talk to this aviansies, and they'll welcome you as a fellow follower of buy OSRS GP Armadyl, and request your help. You will then be given a mission, based on whose side you chose through Temple of Ikov.