Quote Originally Posted by Anonymoose View Post
Maybe they don't get hard modes because they already did. Those dungeons were no joke in their day. No sense giving them a third incarnation when you can give the others some airtime? Especially considering the new dungeons' resources were all built specifically for this version of the game and may be more versatile on the back-end (I have no idea).
Quote Originally Posted by Grayve View Post
1.0 dungeons where built without the plans to add Hard Modes, while the 2.0 dungeons where designed from the ground up with future HM's in mind. Assuming that's true (and I seem to recall a quote linked) the reason they don't have HM's is simply because the development resources where never there.
These points were confirmed today as the reason why those dungeons didn't get hard modes.

Quote Originally Posted by Naoki Yoshida
The main reason is that since these existed in Version 1.0, they were designed very differently from what we created in A Realm Reborn. Since they weren't created with the new system in mind, it would take almost as much effort to create a brand-new dungeon versus turning one of those into a Hard mode.