Diagram: Spikeroog longsword

A copy of this diagram can be bought from the following traders: Another copy can be robbed from a chest guarded by sirens on the coast of an inlet located along the beach, south of Fyresdal and northwest of the Elverum Lighthouse on Ard Skellig.
 * the Blacksmith in Fayrlund
 * the Smith in Fyresdal
 * the Smith in Kaer Muire
 * the Blacksmith in Svorlag
 * the Blacksmith in Urialla Harbor
 * the Merchant at the Isolated Hut on Hindarsfjall