Instead of posting on facebook like the HU FB page suggested, I'm posting it here. Will update this post every time I come up with something. Post your ideas here too guys.
1. Make all the quest items accessible only when you kill a big bad boss like you did for example with the hell forge dragon. I enjoy working harder to complete my quests.
So quest by quest and act by act:
(The rewards that should be given by the quest I suggest should be something like unique class charm,or generally charms that give certain stuff like in MXL. One charm will give increased life and mana, the other will give or increased maximum skill level +1, other can give you piercing attack and resist etc.)
A) Make the Den of Evil harder with stronger boss who drops reward also.
B) Blood Raven should give better reward when you kill her so people go for it.
C) The search for Cain - only when you kill the bosses you get 1 time only teleport scroll that teleports you to where he is and then you can rescue him. Also the Three of Infinus must be accessible when you kill the boss that guards it. Make that boss harder as well, then he drops the scroll that teleports you to the three area so you can get the bark scroll that unlocks the carin stoes. Also make the Cathedral in Tristram accessible with all the levels from D1 recreated inside. All the bosses, all the things
D) The forgotten Tower is fine, but again we should receive better rewards.
E) Horadric Malus - You can gain access to it only after you kill the Smith, but he should be harder to kill. You should receive additional reward from him too like a hammer with which you can repair your items in cube
. Also Charsy's imbue must be always something OP not depending on level and stuff. You place white item and she makes it class specific unique or rare for you or something like that.
F) Andariel. I had a crazy idea when you enter her lair to be welcomed by all the quest bosses : Smith, Griswold + all the unique bosses like Rakanishu and Cow King for more challenge, maybe add Lilith in there too
To be continued..
Make all old and new areas not just places to explore but places with quests. Like they did with MXL. Make some uber quest and visiting those areas actually be rewarding with good items and charms + new bosses.