I cleaned Duncraig 5 times and didn't get a single Enhanced Rune. I farm Teganze a lot, got like 12 Runestones and 20 essences. Instead of Enhanced runes i found plenty of common runes (but not Zod), Vizjerei Amulet like 80 times now, a lot of useless SU/SSU not for Summoner Necro. But Enhanced Rune...