Which quests that give EXP were nerfed?

[vhatever]

The ZEMs do suck. Wish they would just give dungeons a flat moderate exp boost. Dungeons already have the fat lewt. Why do they need ridiculously good ZEMs? And why does high keep even count as a dungeon. It firggin has guards you can pull mobs to like when you were a low level newbie. Some "dungeon".