The letter was from an anonymous sender, and for a moment the Soverign thought that it was just a joke, but a moment later the Soverign's eyes widened when he read a certain line in the letter.
[...I know you have reached a plateau in your power. That vial in your hand contains a special serum that allows any creature to surpass their mortal limits. If you wish to acquire more of it, then meet me at the mountains overlooking the Ashenvalley Forest.]
