100 Elf Trinkets

From publisher blurb: I see you fail to understand. This is no mere gem we pursue. It is a memory stone! To find the castle's secret door, we must rescue the ruby & recover my lost memories! We present 100 new trinkets tailored for Elves & their kin. What is this horrible black aura your newly-found spectacles reveals around your friends? Why has this centuries-old coccoon suddenly started wriggling? Where could this mysterious teleportation circle diagram lead?