'Unknown Subject: Valkyria' extended content for Odinpedia's Volume 1 is already available to all registered readers that have already finished reading Mark of Odin: The Awakening. This story includes new and incredible art made by our Art Director Manu Nieto that will surprise you.
Remember: This extended content belongs to Odinpedia's Volume 1 and requires to be registered in our site (Online Pass Level 1 required) and that you mark the button to indicate that you have finished reading Mark of Odin: The Awakening (No Spoiler's Army!).
You can read the full story at 'Unknown Subject: Valkyria'.