Maraudon is one of those places where something incredibly interesting could be happening, has the places connection to the emerald dream increased after the death of it’s satyrs and insane elemental master? Have the Centaur returned, going deeper than their outer catacombs?
Or nothing is happening at all and the place has nothing but angry Hydras and worms.
Scholomance and Stratholme are safer choices for a new story, as strongholds of Scourge might, despite the power of the Argent Crusade, cleansing these places and nearby graves of the horrific events that took place is no easy task, does the city still burn? Does the Argent Crusade have a stronger grip on the city than the Scarlet Crusade did and is now repulsing waves of Scourge attacks on the city?
Could scholomance ever become the lofty noble manse that it once was or will it forever remain a charnel house occupied by Necromancers and the tormented souls of the dead?
They clearly identified which ones back then were most efficient at running for ap and then made changes for 7.2 to compensate for length. Arcway and hov fell in that long category.
Artifact Power from Mythic Keystone dungeons have been adjusted based on length. Longer dungeons will reward more Artifact Power than shorter dungeons.