Kel'danath's ManaflaskOn a bench, directly south of the huge rare-elite ettin named Elfbane.
Volatile Leyline CrystalThis pin shows the entrance; the crystal is underground at the bottom of the Shattered Locus area.
Infinite StoneOn the topmost floor of Moon Guard Stronghold.It's faster to glide from Obsidian Overlook (FP in Highmountain) than fight through the elves.
Enchanted Burial UrnIn northern Tel'anor.
Kyrtos's Research NotesIn a cave named Den of the Demented, it can be reached from both Felsoul Hold and Azsuna.