Ark of Phobos

From publisher blurb: Adventure Framework 5 Ark of Phobos consists of: A downloadable, bookmarked PDF (5 A4 pages, excluding cover & credits, in both parchment and white backgrounds). The Core Adventure (in this instance, exploring mountain peaks inhabited by Wyverns in search of Wyvern eggs or a temporary magic portal, that will occupy 3-8 hours of session time with Minimal Prep. Rumours & Hooks suggestions.