Summary
Shen'dralas is 'a long-hidden mystery between Mulgore and Desolace...tied to the Shen'dralar, Eldre'Thalas, Dire Maul'. Riverglades is a mid-30s to mid-40s frontier with 150+ quests where, per Inven, Orcs, Humans, Ogres and Goblins clash. In the Ruins of Lordaeron, the 'Forsaken reclaim' the ruins (dungeon, levels 15-20).
Confidence note
confirmed_official