Not to be confused with Quill of Armadyl.
[FAQ] • [doc]
Armadyl's feather detail

Armadyl's feather is obtained during Sliske's Endgame by talking to Armadyl after he meets Seren, if his followers have been banished from the maze.

Armadyl will talk about how him moulting for the first time in thousands of years makes him feel more alive and more connected to the avianse, and he will give the player a feather as a gift.